When an assassination attempt is witnessed by two cops, Gabriel Tancredi, an ex-marine turned mob enforcer, is ordered by his ruthless mob boss to eliminate any and all threats. With an eager underling out to prove himself, rival gangs making moves and a rising body count, every step Tancredi makes threatens lives... including his own.

"When Finn Wallace, the head of London's most powerful crime family, is assassinated, no one knows who ordered the hit. With rivals everywhere, Finn's impulsive son Sean takes over and puts a stop to all criminal business in London until his father's killer is found. As the city is torn apart by the power struggles of the international gangs that control it, Sean finds the only person he can rely on is Elliot Finch, a low level enforcer with a mysterious...