A socially awkward hit man tries to retire and live a normal life but he is too suspicious of his past catching up to him. He has an unusual way of dealing with stressful situations and sometimes reacts very extreme when he feels like he is being trapped. The hit man is very cautious of his surroundings but he receives a package addressed to his beautiful neighbor that changes everything for him. He begins to fall for her and starts to let his guard down over time and settles into a normal life. Then, one morning, he becomes suspicious of his new love interest and is forced to make a decision.