While driving her daughters Greta and Lotti to school, their mother Catrin Zerbe falls asleep at the wheel. At first, it seems like an accident, but then it is discovered that she is addicted to medication. 15-year-old Greta has to drive their car back to the mobile home where the family is currently living. Meanwhile, just as she and Tom Kleinke are growing closer to one another, Katja finds herself having to deal with Mark’s possible return to Frühling, and to her.