A married couple who received a divorce settlement lose their memories in an accident. With amnesia, they fall in love again, so their families try to restore their memories to finalize the divorce.
A tragic story of a father and daughter begins when his greed turns them into sworn enemies.
Jeongwoo was raised by his step mother and has a step sister, Hanna. He leaves abroad to make money for his family. But someday, he heard that his step mother has been killed by hit and run. Taechang, working together with Japanese yakuza, kidnaps Hanna to get Jeongwoo.
Jeong-woo, who grew up with Han-na under their adoptive mother, goes abroad to contribute to a difficult family environment. However, after hearing the news of the death of his adoptive mother in a hit-and-run traffic accident, he returns to Korea, and found out that Cheol-jin, a member of the local organization Taechangpa, and former classmate of Han-na was involved. Meanwhile, Taechangpa joined hands with the Japanese yakuza organization to expand its power. They kidnapped Han-na to catch Jeong-woo, who was tightening them up. This makes Jeong-woo even angrier. The anger of a man who lost everything explodes!