Lifelong friends Hun and Mia share an unbreakable bond, navigating life's highs and lows together. However, their friendship takes an unexpected turn when they come across the charismatic and mysterious newcomer, Leo. As emotions deepen and secrets unravel, a complex love triangle ensnares them in a web of passion, betrayal, and heartbreak. 'Halusinasiku' is a poignant exploration of love, loss, and the enduring strength of friendship in the face of tragedy.