Hyun Tae is a competent architect who prefers one-night stands to serious relationships. Hee Jae doesn't want to believe in love anymore because she was hurt from breaking with her past love. Hyun Tae and Hee Jae get to know each other and become, to some extent, friends. One day, Hyun Tae goes on a trip with his other friends. Goo Bon, a friend among them gets killed in a car accident on the way home. Goo Bon’s unexpected death affects the rest of his friends. This also affects the relationship between Hyun Tae and Hee Jae.