The Liar Hunter Mok Sol Hee uses her special power to make money. One day when she is running away to Seoul, she meets a mysterious boy on the bus. Although he is just a random person to her, she later finds out far in the future that he is the worldwide famous composer Kim Do Ha.

Sol Hee helps Do Ha escape from the town residents. But she later finds out that he is a new neighbor who moves into the apartment where Sol Hee lives. Meanwhile, Deuk Chan gets blackmailed by Moo Jin. By force, he sets up a meeting where Do Ha must face Moo Jin face to face. To uncover his secrets, Moo Jin hires Sol Hee to come to the meeting.

Sol Hee feels bad that Do Ha has not returned home after that incident. After a few days, Do Ha and Sol Hee run into each other in front of their apartment. Meanwhile, Syaon ends up in a hospital after she sprains her ankle on stage. Sol Hee's mother tries to get some pocket money from Sol Hee by giving false excuses without getting caught.