The story of Mugsey Grant, a leader of a gang named the Prospectors, located in Plymouth. Once a big gang in the 2000s has now lost most of its gang members. When a fellow gang member named Becky hart returns she and Mugsey decided on impersonating missionaries to commit robberies. Mugsey however takes things to a new level when he kidnaps Jamie Leigh Greendale a former mobster teenage daughter. What follows is the events of Mugsey actions affecting the people around where Mugsey must make a huge choice if he wants to survive.