The fortunes of Hezekiah and Alec, two best friends newly arrived from Jamaica. Fighting for survival in the violent melting pot of Victorian London's East End, they come up against Sugar Goodson, a dangerous, veteran boxer.

After escaping her violent husband, Sadie makes it her life's mission to help free others in danger. After months of rigorous training in survival skills, boxing, and lethal martial arts, she is back with a vengeance.

A detective on the verge of retirement teams with a professor of African Studies to track down a serial killer who is performing the ancient black magic practice of Muti.