A woman who can't trust people because of her ability to hear lies and a mystic composer who hid his indescribable identity, become involved in each other's lives to uncover the truth.
Sol-hee, who has an ability to hear others' lies, owns a tarot cafe that is actually a secret place where she meets her VIP clients. She makes a living as a liar hunter, telling clients whether the answer they want to know is true or false. Meanwhile, Do-ha is a mystic composer who hides his identity. When a photo of him is taken with top singer, Shaon, scandal spreads, forcing Do-ha to move out of his house. When Do-ha moves to a new town for a temporary stay, he meets Sol-hee, who initially mistakes him for an offender. However, they start to open up to each other.