Hartmut has been with Erika for over 40 years, but his wife has Alzheimer's and their memories together are fading. When they both visit their granddaughter's dance club, they hear songs from the seventies. Suddenly Erika is moving to the beat of the music as if she had never forgotten a dance step. And although she then falls back into her own world, Hartmut finds new hope. If he could manage to turn back time, he could bring back Erika, the love of his life.

Martin and Katharina’s marriage is at stake because their six-year-old son, Tobias, is autistic. They become friends with the young couple that moves in next door and Tobias starts to gradually open up. His parents are very happy. But soon Martin discovers that the young couple has their own reasons for wanting to be near Tobias: they have a horrible plan.