It follows David Jung a former US intelligence operative. When the consequences of a decision from his past come back to haunt him, he finds himself pursued by Rebecca, a sociopathic agent assigned to kill him.

David Jung, an enigmatic, highly unpredictable former US intelligence operative living in South Korea, whose life is blown to pieces when the consequences of an impossible decision from his past come back to haunt him, and he finds himself pursued by Rebecca, a deadly, sociopathic young agent assigned to kill him.