Master assassin Will Robie works for the U.S. government, eliminating high-risk threats without hesitation. After a mission in Edinburgh, he’s sent to kill a U.S. government employee — but something feels off, and he refuses to pull the trigger.
 
Suddenly, Robie finds himself wanted — by his own agency. On the run, he meets Julie Getty, a teenager whose parents were mysteriously murdered.
 
As their paths converge, Robie must navigate conspiracies, betrayal, and shifting loyalties — possibly changing sides to survive.