A story about a married couple whose betrayal of one another leads to a whirlwind of revenge.
Cast:Kim Hee-ae , Park Hae-joon , Han So-hee , Kim Young-min , Seon-yeong Park , Gook-hee Chae , Lee Kyung-young , Eun-woo Shim , Sun-kyung Kim , Jin-seo Jun , Jae-Sung Jung , Lee Moo-saeng , Hoon Song , Lee Hwiseo
Ji Sun-woo's marital bliss shatters when she spots an unfamiliar strand of hair on Lee Tae-oh's scarf. Suspicious, she tails him after work one day.
After making a discovery that shakes her to the core, Sun-woo is thrown into a dilemma. Yeo Da-kyung's visit to her hospital worsens matters.
A piece of unexpected news sends Tae-oh running to Da-kyung. Taking advice from a divorce lawyer, Sun-woo begins gathering important evidence.
Min Hyun-Seo deals with the return of her boyfriend, who wants to cash in on her efforts. Son Je-hyuk puts forth a risky proposition to Sun-woo.
While Tae-oh tries to save his affair, Sun-woo learns more of his secrets. They head to Da-kyung's parents' home, where an uneasy dinner ensues.
Sun-woo and Tae-oh's fight turns nasty as they battle over divorce papers and for custody of Lee Joon-young, who struggles to process their separation.
Tae-oh and Da-kyung come back to town and throw an extravagant housewarming party. While everyone gossips about the couple, Sun-woo grows anxious.
Sun-woo is spooked by a series of strange incidents at home. In addition, she finds out that Joon-young has been hiding something from her.
Da-kyung becomes wary of Tae-oh's behavior. Before an important meeting with Yeo Byung-gyu, Sun-woo receives a panic-inciting package.
A series of incriminating photos threatens Go Ye-rim's marriage. Reeling from a betrayal, Sun-woo seeks retaliation by paying Park In-kyu a visit.
CCTV footage at the Gosan Station is missing. Ji Sun Woo found evidence that connect Lee Tao Oh to the Gosan Station.
When Tae-oh is taken by the police for questioning, Sun-woo does what she thinks is right for her family. Da-kyung urges Joon-young to make a choice.
Knowing things can never go back to the way they were, Joon Young goes astray. Da Kyung notices Joon Young's erratic behavior, and to protect her world, she makes sure everyone knows that she is his guardian and not Ji Sun Woo.
Sun Woo, who had made up her mind to leave Gosan for Joon Young's sake, suddenly resigns at Family Love Hospital. Tae Oh leaves disciplining Joon Young in Da Kyung's hands
Sun Woo and Joon Young prepare to leave Gosan. When Da Kyung goes to Sun Woo's empty house, she tells herself to think carefully and that this could be her last chance to make it out of all of this.
Cutting out your spouse with whom you've shared your life with is like cutting away a part of your body. Will those in despair return to the way things were? Will the word "forgiveness" be ever said between them?