After narrowly escaping a failed operation in the UK, a hitman down on his luck finds himself in an unexpected and challenging role. Hired by a new crime boss, he is tasked with looking after the boss’s young son, a responsibility that forces him to step away from his violent past and guide the boy on the path to adulthood. As he navigates the chaotic underworld while teaching life lessons to the child, the hitman discovers that mentoring someone may be the most dangerous—and transformative—job he has ever faced.