The drama is a melodrama which depicts the story of a man, Kang Ma Roo who has been betrayed by the love of his life, Han Jae Hee. Years after the incident, Ma Roo begins to live a life of self-indulgence. He sacrificed his well being for his girlfriend only to discover that she never looked back and married another man for wealth. Thus, he sets off to take revenge. And in order to execute his revenge, he approaches Seo Eun Gi, the resilient and cold daughter of the man Jae Hee married.
Ma Roo is studying to become a doctor when a shocking accident leads him to sacrifice his future.
Jae Hee's attempt to extricate Ma Roo from her life goes horribly wrong.
Eun Ki feels unusually indebted to Jae Hee when he saves a special possession from an accident. Jae Hee takes the chance to make a startling proposal to Eun Ki, one that might bring him closer to Jae Hee's world.
Eun Ki introduces Jae Hee to her family. The confrontational first meeting leads Eun Gee's father to make a decision that will pit his daughter against his wife.
Ma Ru shrewdly finds a way to prevent Aomori resort from being sold off. Jae Hee attempts to keep Eun Ki and Ma Ru from getting closer together.
Initially kicking Jae Hee out in an act of rage, the President gives her a chance to get her job back.
Eun Gee is torn when she discovers Ma Roo's past relationship with Jae Hee. Meanwhile, Jae Hee makes a bold move to extricate Ma Roo from her life once and for all.
The tables turn now that Chairman Seo has discovered of Jae Hee's duplicity. Jae Hee scrambles to recover from the shocking blow.
Two unexpected tragedies shake up the players' agendas and put Tae San's future into question.
One year later, despite Eun Gee's disappearance, Jae Hee is still hindered by her influence at Tae San. Jae Hee searches for a way rid herself of Eun Gee's shadow.
Jae Hee makes plans for Tae San in Eun Gee's absence.
Eun Gee's return to Tae San is extremely surprising and causes many snags for Jae Hee's plans.
Eun Gee struggles to regain her lost memories at the price of discovering the most painful ones first.
As Jae Hee schemes to expose Eun Gee's secrets to the public, Eun Gee falls into a dangerous trap.
Eun Gee's old flame returns, threatening Ma Roo's hold on Tae San.
Eun Gee begins to recovers bits and pieces of her memory while Ma Roo finds life has dealt him a fatal blow.
Having recovered her memory, Eun Gee tests those are around her, unable to trust anyone, including Ma Roo.
As Eun Gee tries to forget Ma Roo, Ma Roo declares his love for Jae Hee to protect the one he truly loves.
Secretary Hyun's sudden accident reaffirms Eun Gee's determination to get to the bottom of the conspiracy behind her father's scandal.
Ma Roo's head injury sends him to the hospital, and in the process makes things right.