Hoping to reunite with his girlfriend, Gabi, ordinary guy Michael (Michael Fuith) goes to her Berlin apartment, but instead of Gabi, he finds young plumber Harper (Theo Trebs) hard at work. Michael's day gets considerably worse when zombies suddenly begin to terrorize the city. Trapped in the apartment, Michael and Harper strike up an uneasy partnership while they attempt to help other fearful survivors in the building and find the missing Gabi.