Kati has had her dream man at home for five years: attractive, loyal and professionally successful as a doctor. Unfortunately, "her" Felix now spends so much time at work in the hospital that Kati too often feels alone. When she met the good-looking, charming artist Mathias, it hit her like Felix did back then. Shortly before her last inhibitions fall, fate shuffles the cards in an unbelievable way: after a car accident, Kati wakes up in the past - exactly on the day five years ago when she accidentally met Felix

A teenager wakes up in a subway car with no memory of how he got there or who he is.