Retired super-assassin John Wick's plans to resume a quiet civilian life are cut short when Italian gangster Santino D'Antonio shows up on his doorstep with a gold marker, compelling him to repay past favors. Ordered by Winston, kingpin of secret assassin society The Continental, to respect the organization's ancient code, Wick reluctantly accepts the assignment to travel to Rome to take out D'Antonio's sister, the ruthless capo atop the Italian Camorra crime syndicate.