Suyeon, an art student, witnesses her classmate Yushin's secret in the studio late at night. “You… were a robot?” Yushin attempts to give Suyeon an electric shock to her head but fails, and Suyeon faints on the spot. That night, Suyeon is taken to Yushin’s house. As her plans with her friend Jaehyun go awry, the fates of the three begin to intertwine. A sweet and thrilling campus triangle romance of youth crossing paths!