A painful but exciting story of Oh Soo-jae, a cold lawyer who has become empty while pursuing only success, and Gong Chan, a law school student who is not afraid of anything to protect her.

It is a love story of Han Se-gye (Seo Hyun-jin) who is an A-list actress. She is known as a troublemaker and the object of many rumors. Her life is a mystery, but, in reality, she suffers from an unusual phenomenon. At a certain point every month, her appearance changes to a different person. She lives one week out of every month with a different appearance, and Seo Do-jae (Lee Min-ki) who is an executive director of an airline company. He seems perfect with an attractive appearance and intelligence but, he suffers from prosopagnosia. He hides this disability and tries hard to memorize people by their habits and mannerisms. The only face that he is able to recognize is Han Se-gye’s.

Hyun-Soo is an aspiring drama series writer. She uses "Jane" as her username and begins chatting with username “Chakhan Seupeu” (‘Good Soup’) online. “Chakhan Seupeu” is actually Jung-Sun. He dreams of becoming a French food chef. They meet in real life.

Park Dal Hyan hails from a poor family and aspires to be a soldier. He joins a group of adventurers who serve the Crown Prince as his warrior guards.