Lea, Steffi, Toni & Maja have vowed to celebrate each others weddings together — 26 years ago, things you do at twelve. Now Maja spontaneously invites the others to Italy. A promise is a promise! The trip begins moderately and gets worse and worse. It confronts them with missed opportunities, loss and their long lasting friendship.

Frida unexpectedly falls pregnant and Felix, the father of her child, breaks up with her to reunite with his ex using methods which are absurd, exaggerated and often hilarious.