During the Korean War, a vast amount of money disappeared. Now, some 60 years later, the money has reappeared, leading to a frantic chase across the globe. Jin Yi (Lee Na Young) is a seemingly innocent woman who has hidden motives for approaching Ji Woo (Bi). Her plans are complicated by an unexpected romance developing between them, as well as the numerous pursuers hot on their trail. Kieko (Uehara Takako) is a famous Japanese singer who also gets tangled up in a relationship with this man. Little do they know that her father Hiroki (Takenaka Naoto), apart from being a business man, is a powerful yakuza. In this love triangle, who will finally win the love of Ji Woo?

In the story, the gumiho leaves her husband and has a young daughter who has inherited her mother’s ability to shape-shift (gumiho lore includes their abilities to transform themselves to look human). She decides to take revenge against a human.

Gun Wook (Kim Nam Gil) plans a revenge against the Haeshin Group. A company to whom Tae-sung (Kim Jae Wook) is the heir.

Cha Kang Jin is the son of barmaid, Cha Chun Hee. His life is difficult as he gets into fights and has to watch other people push his mother around yet he can't do anything to stop it. He meets Han Ji Wan when they were teens but they weren't able to continue their relationship as Ji Wan ran away after her older brother's death. He meets Ji Wan 8 years later when he's attending her engagement ceremony to Park Tae Joon. However, he is heartbroken as Ji Wan pretends to not remember him at all.

Two women who were once best friends become enemies when one woman (Oh Yun Soo) steals her best friend's (Hwang Shin Hye) man. They try to find happiness, however, their dreams clash as each want to become the best ballerina in the world.

Cha Do-kyung was an “it girl” and center of the attention during her school days. Thanks to her looks and affluent family background, she was surrounded by many suitors and admirers. On the other hand, Jang Gong-sim, Do-kyung’s friend, who always lagged far behind Do-kyung in every aspect felt inferior to her while growing up. However, Do-kyung’s accidental one-night stand with Bong-hee, Gong-shim’s then boyfriend, led to an unwanted pregnancy with twins. Do-kyung and Bong-hee’s subsequent marriage made the two women live a very different life. Do-kyung becomes an ordinary homemaker while betrayed Gong-shim who went to overseas to pursue her study becomes a celebrity which could have been Do-kyung’s fate. Their reversed situation makes them at odds with each other and they end up fighting over Hyun-woo who once had a crush on Do-kyung when young. Torn between the two women, will Hyun-woo stick to his first love who became another man’s wife or will he decide to marry Gong-shim, the ugly duckling turned into the beautiful swan? Will Gong-shim’s efforts to win Hyun-woo’s heart be successful?