A deaf 4-year-old girl named Libby lives in a world of silence until a caring social worker teaches her to use sign language to communicate.

In the outskirts of London, Portuguese couple and parents of three, Bela and Jota, struggle to make ends meet. When a misunderstanding arises at school with their deaf daughter, the British social services grow concerned for the safety of their children. The film portrays the tireless battle of these immigrant parents against the law to keep their family together.