
Seong Soo, a twenty years old boy, decided to move to Seoul after being accepted into Seoul University. However, he was a victim of real estate scam. He then moves into his mother's friend's house. Moreover, it turns out that his mother's friend is a sexy self-employed mother and Seong Soo is attracted to her.

An imminent journey to the complete conquest of love begins. Youngseok has crushed on his club mate Heeyeon. He decided to confess his love for 1262 days but gave up the decision after he saw her kissing another man.