Won goes into labor with Sa-hyeon by her side. Dong-mi invites Ji-a over for a delicious meal, secretly hoping that she'll run into A-mi inside.

Sa Pi-young demands that Mo Seo-hyang leave the country. Park Hae-ryun startles Lee Si-eun with an unexpected request to end their marriage.

Si-eun makes a last-ditch effort to save her marriage. Suspicious of Pan Sa-hyeon's late night at the office, Boo Hye-ryung drops in.

Hye-ryung demands answers from an unfaithful Sa-hyeon. Park Hyang-gi's plea tugs at Hae-ryun's heartstrings. Pan Mun-ho reunites with Kim Dong-mi.

With a sonogram, Sa-hyeon tries to convince his parents to be in favor of his divorce. Dong-mi turns a cold shoulder to Shin Gi-rim's call for help.

Dong-mi's crocodile tears fool both kith and kin at the funeral, especially Shin Yu-sin. Hye-ryung refuses to grant Sa-hyeon a divorce.

Si-eun warns Hae-ryun to keep his affair a secret from their kids. Pi-young notices Yu-sin's increasing devotion toward Dong-mi.

Hyang-gi boldly confronts her father after having a change of heart. Hye-ryung's sudden visit to the emergency room jolts Sa-hyeon back to reality.

Having seen enough, Pi-young puts the brakes on Yu-sin and Dong-mi's close bond. Mun-ho waits for a text message that never comes.

A run-in on the plane reminds Yu-sin of his first encounter with an aspiring model. Sa-hyeon is captivated by an attractive gym-goer.

Yu-sin lies about his airplane seatmate. Hurt by Mun-ho's apathy, So Ye-jeong packs her bags in a huff. A new professor dazzles Hae-ryun.

Concerned about A-mi's hangover, Yu-sin drops off food before work. Sa-hyeon and Song Won exchange numbers over breakfast.

A-mi confesses her feelings for Yu-sin before a trip back home. Sa-hyeon treats Won to dinner, where she tearfully opens up about her hardships.

A-mi's lonely birthday turns into a romantic night with Yu-sin. Sa-hyeon finds himself comparing Won's warm personality with Hye-ryung's cold attitude.

Sa-hyeon and Won comfort each other about past and present marital issues. Hae-ryun accompanies Nam Ga-bin to the hospital.

Promising to stay by Won's side, Sa-hyeon proposes a new kind of relationship. Hae-ryun jumps at the chance to make a house call for Ga-bin.

Ga-bin yearns for Hae-ryun's warm embrace to mend her broken heart. Won bares her soul to Sa-hyeon, who's set on filing for divorce.

Won, Ga-bin and A-mi open up to each other about their relationships. Hye-ryung turns to her in-laws to get her marriage back on track.

The housekeeper tells an incredulous Dong-mi about seeing the late Gi-rim in the home. Sa-hyeon introduces Won to his mother.

Won and Sa-hyeon tearfully agree to call it quits. Using her husband's apparition as an excuse, Dong-mi moves into Yu-sin's home.

Mun-ho insists on meeting the mother of his future grandchild himself. Hae-ryun reveals his girlfriend's identity to a pained Si-eun.

Si-eun and Ga-bin meet face-to-face as Hyang-gi eavesdrops nearby. On a movie set, an actor wearing a familiar-looking coat catches Pi-young's eye.

Yu-sin puts an expiration date on his relationship with A-mi. Si-eun has bad news for Pi-young: a warning about her husband's possible infidelity.

Pi-young asks Yu-sin about the woman he was seen with at the equestrian club. Won, Sa-hyeon and Hye-ryung unexpectedly cross paths at a restaurant.

A fuming Hye-ryung grills Won about the affair. Hearing of her mother's condition, Pi-young rushes to the hospital... and sees Yu-sin in A-mi's room.