At first Billy's father just seemed distant, as if he had something on his mind. Then he stopped listening to music, saying it hurt his ears. After a while he stopped eating and sleeping. And after that he just stopped. Stopped being Billy's father and his friend and became someone else. Someone who was depressed and withdrawn and wouldn't respond to treatments.

Determined to help their father, Billy and his family devise a series of unconventional therapies for him. But the strain of looking after Dad begins to wear on them all. Billy...