The film is about when Zach Gaines is kidnapped by Kul Jae Sung, his sister, Samantha Gaines, has to team up with bad guys to get him back to help them get a sword from Romania, since they stole the breastplate. Jake Addams and Burke chase them down and find her, it is revealed he is the man that Samantha talked to about Cerberus. Meanwhile, Marcus Cutter give Kul Jae the breastplate, then another bad guy Max is killed by two dogs, meanwhile, they get Zach and go to Romania to get the sword first, they get it, Cerberus, a three headed dog from hell, attack them and kills Burke. They escape while Marcus gets the sword for Kul Jae, when he returns at a town, he takes over a shop and kills the manager, holds the wife hostage until Kul Jae and two men come for the sword. He says he wants to keep it and slices Kul Jae's head off, kills the men while Samantha, Zach and Jake go to the village when the villagers start to put chairs ant tables and light them on fire, Cerberus kills teens camping out, and leaps over the fire, kills some villagers, while Jake and Marcus fight over the sword, Zach is thrown through a shop window and Jake throws Marcus off a building and gets eaten by Cerberus, he tosses the sword down to Samantha, who tries to get it, but Cerberus tail, which is a snake, pulls her away, while Jake stabs Cerberus in the head, who dies, and is transported back to hell. then, Zach walks over to him they hug and walk away. I give this film a A- you will like it!

In Bucharest, Romania, the priceless breastplate of Attila, the Hun is robbed from the National Museum of Antiquities by a gang leaded by the despicable Marcus Cutter (Greg Evidan), and the curator Radu (Gelu Nitu) is killed by one of the thieves. Meanwhile, in New York City, the former assistant of Professor Radu, Dr. Samantha Gaines (Emmanuelle Vaugier), is waiting for the valuable piece for an exhibition. The agent Jake Adams (Sebastian Spence) visits Samantha in the museum to tell about the heist and the death of her friend, and she tells about the legend that the breastplate would have the inscription of the location of the Sword of Mars, which is guarded by Cerberus and made Attila invincible. When Samantha's brother and addicted gambler Jack (Brent Florence) is kidnapped, she believes his debt of US$ 2,000.00 could be the reason, and travels to Romania invited by the evil kidnapper Kul Jae Sung (Garret T. Sato), getting involved in a supernatural adventure with Jake."Cerberus" is a reasonable and entertaining adventure, unfortunately "sold" to the viewers as a horror genre by the distributor. I bought this DVD expecting to see a trash movie, and actually it is an action movie with a supernatural dog and sword. The screenplay is flawed and predictable, and also too serious while it should have jokes and humor with the unbelievable situations, but this film is not so bad and does not deserve the IMDb User Rating of 3.9. I only believe that it does not reach the target audience with the scary monster and tagline inducing to horror genre on cover of the DVD. My vote is five.Title (Brazil): "Cerberus - O Guardião do Inferno" ("Cerberus - The Guardian of Hell")

"Cerberus" is a rather routine Sci-Fi Channel original creature feature.**SPOILERS**As Dr. Samantha Gaines, (Emmanuelle Vaugier) begins preparing a special exhibit for Attila the Hun, her brother Zach, (Brent Florence) runs afoul of gang leader Kul Jae Subg, (Garret T. Sato) who has become obsessed with finding the fabled sword in possession of Attila. Teaming up with Jake Addams, (Sebastian Spence) a mercenary, to track down the sword. When both teams arrive to take the sword, the three-headed dog Cerberus is unleashed and begins to hunt down everything in it's path. Using her historical knowledge, Samantha and Jake struggle to save the local village from the monster's rampage.The Good News: As bad as it seemed, there's still some great moments in here. First of all, the concept for the creature this time is pretty neat. Having a mythical creature from Greece , Cerberus, strikes as a very fearsome opponent. With three vicious, growling dog heads and an expanding snake for a tail combine into a very memorable creation, even if it doesn't strike the necessary fear buttons. The use of mythology used here is actually pleasant, allowing for some intelligence rather than the traditional toxic chemicals or experiments that create the majority of creature features. There's an extremely huge body count here, allowing for tons of deaths. Several are eviscerated, one has both legs bitten off, several limbs are bitten off, a head is bitten off in the best shock in the film, and there's also an assortment of gunshots and sword wounds as well. There's plenty of deaths involved. There's also the odd impressive sequence, such as the three heads slowly appearing behind a group of unsuspecting victims through a roaring fire or the initial appearance of the creature that are pretty decent, and the final half hour of the film is non-stop action. It's not all that bad of a film.The Bad News: As per usual with these types of films, the CGI effects completely ruin the credibility of the monster. It looks horribly cheap and never for once gives the impression that the creature is actually on-screen during it's scenes. It's a common problem for the Sci-Fi Channel's films, so this really shouldn't be a problem for it's fans, but it's disheartening to see them have so many films and yet not fixed this glaring problem. The amount of disregard for logic in here is staggering at times. The most obvious is the entire plot-line, which combines one of the most famous Asian conquerors in history with the Christian concept of Satan and a three-headed dog from Greek mythology is one of the most illogical and mind-numbing exercises around. It doesn't make sense that to cross that many different cultures and pull them off is pretty hard to swallow. Also hard is a scene where a Romanian peasant was able to recognize the significance of a satanic sword once owned by an Asian warlord that's now guarded by a monster from Greek mythology. This is just so hard to believe that it can't be passed up. The fact that the title monster has so little screen-time and actual kills among the huge body count is another big crime against it. He really needed to be around more to give more of a threat to the characters. This was a really disappointing effort.The Final Verdict: A rather typical Sci-Fi Channel original, this one at least uses a historical backdrop for the creature rather than some bio-engineered creation or over-grown insect. It's decent fun at the very least, but they've done a lot better and a lot worse, so take it from where you stand with their films.Rated R: Graphic Violence and Graphic Language

This movie could have been fairly good. I wasn't expecting something spectacular, but there was, I think, potential for it to be quite good. Unfortunately, this movie turned out to be just awful. The first thing that jarred me was the camera work. The acting, editing, special effects and camera work were all just terrible. I'm not one to usually pay particular attention to things like editing and camera work, but those elements were so bad they stood out to me very quickly. As a result, I was often distracted from what was happening in the movie. As I said, I wasn't expecting a masterpiece, but I was severely disappointed by this movie. I would not personally recommend it to anyone. I didn't find one redeeming factor in this movie.