Eom Da Da is a special effects make-up artist who has been secretly dating Ma Wang Joon, an A-class actor, for 7 years. After a sequence of incidents that damaged Da Da's belief in her love, she decides to break up with Wang Joon. With a heart barely healed after the breakup, she ends up meeting Young Goo, a humanoid robot programmed to be a perfect boyfriend. Young Goo begins to develop human emotions and gets involved in a love triangle with Wang Joon and Da Da.
