Jae-Bak is a 40'ish man who has become burned out by work and his family. He works as a sales manager for a publishing company. The highlight of Jae-Baek's day is now when he steals a glance at beautiful young Yu-Hee every morning as she stands waiting for the subway, while sucking a red lollipop. For the next 100 days, Jae-Baek watches Yu-Hee and then finally meets Yu-Hee. At a bookstore, Jae-Baek meets Yu-Hee. Jae-Baek follows Yu-Hee to her home.

Wi Mae-ri is the cheerful, pragmatic girl who finds herself reluctantly being set up in an arranged marriage by her father. In order to avoid it, she enlists help from an indie rocker Kang Mu-gyul who pretends to be her husband.