"Don't cry, I wasn't the one being attacked. Actually, I was the one who was assaulted." Lee Jeong-yeon, a member of the PR team at a major corporation, intends to confess her feelings to her boss, Gong Ji-hyeok, whom she has admired for six years, on Christmas. However, she soon realizes he is interested in someone else. Overwhelmed with frustration, she makes a hasty decision to meet an online friend and, after drinking too much, finds herself in a precarious situation in a hotel room. Desperately calling for help, she is struck in the head and loses consciousness. She believed it was the end for her, but what happened next? When she regains awareness, she finds herself in bed next to Ji-hyeok...