Quy Thinh is a wildly popular heartthrob who always acts cold and openly annoyed whenever he is around Dương Hy. Yet ironically, he is also her sweet and affectionate “online boyfriend,” the one she chats with day and night.

Duong Hy’s life is suddenly turned upside down when she becomes a tutor for Quy Thinh’s younger brother, forcing her to face an annoying guy in real life while being in love with a gentle boyfriend online.

How long can she possibly keep this shocking secret hidden?