A dying elderly scientist proposes love-sick Jonas a cure that will improve the youngster's physical skills and general sex-appeal. What the scientist really aims to accomplish is a body switch: he wants to survive in a young man's body and gladly leaves Jonas to wake up in his own wasted frame. Jonas must somehow signal his predicament to his friends. Both men rev up for a survival-of-the-fittest chase.
Set in 1962 during the Berlin crisis, the contented lifestyle of Carmen and her kid brother, whom she's nicknamed Babyface, comes to an abrupt end when their parents acrimoniously separate.
