In the heart of a city, the inhabitants of a tower wake up one morning to find that their building is shrouded in an opaque fog, obstructing doors and windows - a strange dark matter that devours anything that tries to pass through it. Trapped, the residents try to organize themselves, but to ensure their survival they gradually succumb to their most primitive instincts, until they sink into horror...

Four teenagers' lives are turned upside down when a mysterious event propels them into parallel dimensions.

At 16, Marc is an introvert teenager in search for love and freedom. He has always been fond of his best friend Taro. Just like a big brother, Taro always makes him discover new things. One day Taro comes to pick up his friend on his father's motorcycle. They head for a squat and think they are about to spend a nice evening... Marc doesn't know yet that his life is going to change that very night. Once in the squat, Taro and Marc discover a strange world and make crazy encounters. When Taro disappears with the mysterious and dangerous Camille, Marc's heart compels him to search for the one he loves... Will he manage to save his friend and... become himself?