What does it mean to give up one's life to another? Peter is the brother of Christine - he is born deaf and blind, and the family has therefore always had to see and hear the world for him. Today Peter is 30 years old, still living at home. His need for help and assistance is so specific that the family is having trouble finding a residence for him. So what will happen to him, once the parents are no longer here to take care of him - who shall assure him a dignified life? "He's My Brother" is a poetic film about the ties of blood and an incredible family dynamic. The film is told through the younger sister, Christine, who explores the role as sister and guardian, and what it actually means to have the responsibility of another life on her shoulders. She travels through a myriad of emotions, where she has to accepts her destiny - that she will be taking care of her brother when her parents no longer can.