郊外で家庭医学専門医として働くソヌ は順調なキャリアに、愛する夫のテオ と可愛い息子に囲まれ、完璧な生活を送っていた。ある日、マフラーに自分の物ではない髪の毛が一本ついているのを見つける。その日から夫に浮気相手がいるのではと疑心暗鬼になり始める。ソヌの疑い通り、テオは若いピラティスインストラクターのダギョン と浮気を重ねていた。そしてテオの浮気は近所や同僚など、ソヌ以外の周囲の人間は周知の事実だった。動揺するソヌの前にダギョンが体調不良を訴え来院する。検査の結果、ダギョンは妊娠していた。夫の裏切りを知ったソヌの行動はやがてエスカレートし、壮絶な復讐計画が始まる！
放送日: 2020-03-27
上映時間: 88 min
概要: Ji Seon-u's marital bliss shatters when she spots an unfamiliar strand of hair on Lee Tae-o's scarf. Suspicious, she tails him after work one day.
放送日: 2020-03-28
上映時間: 84 min
概要: After making a discovery that shakes her to the core, Seon-u is thrown into a dilemma. Yeo Da-gyeong's visit to her hospital worsens matters.
放送日: 2020-04-03
上映時間: 78 min
概要: A piece of unexpected news sends Tae-o running to Da-gyeong. Taking advice from a divorce lawyer, Seon-u begins gathering important evidence.
放送日: 2020-04-04
上映時間: 82 min
概要: Min Hyeon-seo deals with the return of her boyfriend, who wants to cash in on her efforts. Son Je-hyeok puts forth a risky proposition to Seon-u.
放送日: 2020-04-10
上映時間: 88 min
概要: While Tae-o tries to save his affair, Seon-u learns more of his secrets. They head to Da-gyeong's parents' home, where an uneasy dinner ensues.
放送日: 2020-04-11
上映時間: 81 min
概要: Seon-u and Tae-o's fight turns nasty as they battle over divorce papers and for custody of Lee Jun-yeong, who struggles to process their separation.
放送日: 2020-04-17
上映時間: 81 min
概要: Tae-o and Da-gyeong come back to town and throw an extravagant housewarming party. While everyone gossips about the couple, Seon-u grows anxious.
放送日: 2020-04-18
上映時間: 74 min
概要: Seon-u is spooked by a series of strange incidents at home. In addition, she finds out that Jun-yeong has been hiding something from her.
放送日: 2020-04-24
上映時間: 81 min
概要: Da-kyeong becomes wary of Tae-o's behavior. Before an important meeting with Yeo Byeong-gyu, Seon-u receives a panic-inciting package.
放送日: 2020-04-25
上映時間: 86 min
概要: A series of incriminating photos threatens Ko Ye-rim's marriage. Reeling from a betrayal, Seon-u seeks retaliation by paying Park In-gyu a visit.
放送日: 2020-05-01
上映時間: 77 min
概要: After Tae-o comes home in a questionable state, Da-gyeong snoops through his clothes. Hyeon-seo is convinced she knows the culprit's identity.
放送日: 2020-05-02
上映時間: 84 min
概要: When Tae-o is taken by police for questioning, Seon-u does what she thinks is right for her family. Da-gyeong urges Jun-yeong to make a choice.
放送日: 2020-05-08
上映時間: 75 min
概要: Seon-u is in the midst of considering job openings outside the city when she gets word that Jun-yeong has been involved in a fight at school.
放送日: 2020-05-09
上映時間: 82 min
概要: With both Jun-yeong and her job gone, Seon-u finds herself completely alone. When she goes missing, Kim Yun-gi and Tae-o rush to find her.
放送日: 2020-05-15
上映時間: 93 min
概要: Nearing the end of her rope, Da-gyeong demands the truth from Tae-o. Soon after, Seon-u shows her the upsetting reality of Tae-o's patterns.
放送日: 2020-05-16
上映時間: 80 min
概要: Seon-u gradually returns to her normal life. One day, she comes home to find that Jun-yeong has disappeared — and all that's left is a note from Tae-o.
