Sam, a 17-year-old German-Ghanaian, and his mother, Rita, are finally able to welcome two long-awaited visitors from their home country; but the joy of reunion is clouded by the unresolved residence status of Gifty and her son, Kwesi. Sam is thus confronted with questions about his origins and identity, and also begins to fall in love with Kwesi.

A Neukölln clan boss becomes a climate activist. A gender doll inventor who fulfills her most secret wishes with a fake gun and a new girlfriend in Grunewald. A balcony beekeeper whose bee colony is on speed. And in the middle of it all, a fisherman who wants to conjure up sustainable snacks from invasive swamp crabs. What unites them all? A hot summer in the capital - and waiting for the rain!