Living with my friend and his wife! The three of us! Ji-soo and Joon-yeong have been married for 5 years. Unlike the first few years of marriage, Joon-yeong is terrified at the sound of Ji-soo taking a shower. However, Ji-soo advances on Joon-yeong more and more because she wants to have children. Meanwhile, Ji-soo's best friend Yoon-kyeong comes back from the Philippines and spends a few days with the couple. Joon-yeong feels his manhood reacting when he see's the young-looking and sexy friend of his wife's...
《致命恋爱》是一部围绕连环杀人事件讲述三个男女间的浪漫搞笑故事的电影，融合惊悚、浪漫、幽默多种元素的风格。河智苑扮演热情高涨的推理小说家，一路追踪连环杀人犯。千正明扮演片中河智苑的好朋友，是一名刑警，陈柏霖扮演让女主角脸红心跳的帅气暖男，将与女主角上演一段浪漫情缘。
