Four girls `witness' the murder of a classmate but the killer disappears and the case is unsolved. Sixteen years later, the foursome get together at a wedding and discover that the 'boy' is back.
Milo, an isolated 10-year-old boy with 'sensitive skin,' lives a life rigidly controlled by his father. Sparked by his first friendship, he runs away from home to attend the school camping trip -- but never arrives. He falls into the hands of an ageing criminal couple, with whom he enjoys pure freedom from constraint -- until he learns the shocking truth about his skin condition.