A skilled Korean hitman, haunted by his traumatic past, accidentally kills an innocent girl during a mission in the United States. Guilt-ridden and questioning his life choices, he contemplates abandoning his violent profession. Soon after, he is assigned one last job that compels him to travel to South Korea. The target of this mission is the girl’s mother, a grieving woman struggling to move forward after the sudden demise of her daughter. The hitman’s internal conflict intensifies as he monitors her, observing her sorrow and strength, which stirs even deeper remorse within him.

Complications arise when other assassins become involved, and the situation quickly spirals out of control. The hitman finds himself torn between completing his assignment and protecting the woman from imminent danger. This complex web of emotions and actions leads him to make choices that will irrevocably change his life and the lives of those around him. With adrenaline-pumping combat sequences and moments of profound introspection, the story explores themes of redemption, grief, and the quest for a second chance in a world filled with violence and loss.