Ji-Hoo (Han Seung-Yeon) holds painful memories from her first love. She now has a secret crush on co-worker Tae-Soo (Hong Jong-Hyeon). Tae-Soo does not believe in love, but by some incident Tae-Soo becomes interested in her.

The story about secret office love affair between Shin Ji Hoo, a 24 year-old woman who’s afraid of love and Oh Tae Soo, a 28 year-old man who has lots of dating experience and is rather cynical about love, but slowly transforms as he meets Ji Hoo.