Missing ₩70 billion appears to three sisters who grew up in absolute poverty but with a close bond. Entangled in a conspiracy that involves the rich and powerful, three sisters who wanted to live like everyone else confront a life task whether to keep or to return the money.
Han Sun-woo is a rookie photographer. He doesn’t talk much, but he is a kind and warm-hearted man. He is friends with Lee Eun-soo. They have been close friends for 20 years. Meanwhile, Lee Eun-soo works as a lyricist to make living. She has an honest and bright personality. Due to a reason, Han Sun-woo and Lee Eun-soo begin to live together at the same house for 2 weeks. Staying together, their relationship develops romantically.
Vincenzo Cassano is an Italian lawyer and Mafia consigliere who moves back to Korea due to a conflict within his organization. He ends up crossing paths with a sharp-tongued lawyer named Cha-young, and the two join forces in using villainous methods to take down villains who cannot be punished by the law.