Gundula Bundschuh longs for a peaceful vacation under the sun of Mallorca. However, her mother-in-law's decision to invite the entire whimsical family thwarts her plans.

The relationship of Alex and Teresa has hit hard times. After 15 years of marriage, the passionate football coach and the sensitive psychoanalyst do not respect each other's needs anymore, and thus they are arguing constantly. Even a divorce seems possible, but then something unbelievable happens: After another ugly fight during a big thunderstorm, they switch bodies. Trapped, they have to play each other's roles, and chaos is bound to follow.

A police department, lead by an older, experienced detective solve crimes together.