Would you break the law to see justice done?

In Sheffield, a bankrupt businessman has murdered his family. It seems like an open-and-shut case: a desperate man resorting to desperate measures.

In Middlesbrough, a woman named Angel is heading south. She is a woman alone. A prostitute. Now a murderer. And she has only one thing on her mind: revenge. Two crimes, a hundred miles apart, but a terrible secret connects them.