How are you supposed to belong anywhere if you are born in one country and grow up in another, if one culture is dominant in the family and another at school? If a particular look is all the rage on digital channels this week but a different one next week, and if you record a video with girlfriends that goes viral only to discover that this suddenly drives a wedge between you? In her feature film debut SUN Kurdwin Ayub follows three 17-year-olds through the chaos of our time.