Detective Baek Hong-suk (Son Hyeon-ju) lost his 15-year-old daughter in a car accident and his wife died from shock shortly afterwards. Detective Baek Hong-suk then searches for the truth related to his daughter's death and learns that her death is tied into a conspiracy. Reporter Seo Ji-soo (Wang Ji-hye) is the owner's daughter of a large corporation. She helps Detective Baek Hong-suk to uncover the truth on his daughter's death. While covering the story, she finds out that her brother-in-law (Kim Sang-jung), a top presidential candidate, is involved in corruption. Reporter Seo Ji-soo comes into conflict between her family and the truth.