Directress Felicitas tries to save the damaged relationship with her younger brother Silvius. Together with their friend and camera woman Nina they leave for a road trip through Europe, visiting the places of their fragmented childhood. During the shooting Silvius is in charge of composing the music for the film, but doesn't cope with Felicitas the way she wants him to. He constantly tries to withdraw himself from the shooting of the film, trying to provoke his older sister by interfering with her plans. Between car breakdowns, fights in parks and rare moments of intimacy, MY BROTHER IS A DACER depicts a portrait of two siblings don't want to understand that they need each other.