Teenagers Cat and Mouse come from opposite sides of the track in north London, but trouble seems to follow them both around.

Mouse is struggling to keep his graffiti art away from the eyes of the police, and volatile Cat's problems are tearing her apart.

A chance meeting brings them together, but can their friendship survive the secrets and lies and shocking events that follow?

Cathy Cassidy's hugely engaging writing has massive appeal for boys and girls aged 8-13.