A German engineer Lutz Kehlmann is to lead a dam project in South America. When he flies over the area of the dam the helicopter crashes and Kehlmann is the only survivor all alone in the jungle.

Stefan, Sam, Bernd, Volker and Norman are five young people from Berlin whose main occupation is music and to hang-out. When Stefan lands in a mental hospital, he meets Lissy, a singer and diva from the 30s. When the friends Stefan, they take the "grandma" Lizzy with them.