A corruption inspector suddenly inherits a great fortune. In this mystery, she tries to regain her memory.

Can women and men stay just as friends? Both Choi Sua and Seo Dou are married, but not to each other. The relationship between the two is interesting. They are definitely not a couple. They are not friends, either. Yet, they are involved in each other's life.

Shin Young-Joo is a female detective with charisma and Lee Dong-Joon is a righteous judge. They uncover corruption at the nation's biggest law firm Taebaek.

Set in Jeju, the drama revolves around a loving, multi-generation family led by the parents, Yang Byung Tae and Kim Min Jae, and their four children Tae Sub, Ji Hye, Ho Sup, and Cho Rong, as well as assorted grandparents and uncles. The story follows the family's everyday lives and conflicts.

Various contestants take part in a game show with a prize of 10 billion won wherein contestants are encouraged to cheat and lie. The contestants who are able to cheat the others win the prizes but be in debt if he/she loses the game. Contestants include genius swindler Cha Woo-jin and naive college student Nam Da-jung. Meanwhile, Kang Do-young will play the MC and planner of this game show.

From teen years to adulthood, two friends linked by warmth and tension grow apart — until one is asked to accompany the other through her final days.