Art student Suyeon witnesses a secret of her classmate Yushin in the studio late at night. “Wait… you’re a robot?” Yushin tries to shock her with electricity but fails, and Suyeon ends up fainting on the spot. That night, Suyeon is taken to Yushin’s house. As her plans with her friend Jaehyun fall out of sync, the fate of the three slowly begins to unravel… A bittersweet, thrilling campus love triangle of youth crossing paths!