(you as jake sim) and he has an ex boyfriend named lee heeseung, they both are in 3 years relationship but Jake caught heeseung cheating on him, that's why they broke up

After the 1 year of breaking up, showtime tv call them for their show "expecially you", so they have a chance to meet again

One day, they both arrived at the show and the artists greetings them, and the artists are talking to them both The show start and one of artists ask them "why did you two broke up?"