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Na Yeong-sil has an unpleasant first encounter with Oh Bok-nyeo. Cha Jeong-hwan and Byun Hye-yeong reunite eight years after their breakup.

Determined to land a role in an upcoming miniseries, An Jung-hui searches for his biological father. Byun Mi-yeong contemplates a job offer.

Jeong-hwan and Hye-yeong share a night of passion. While trying to hide from Kim Yu-joo, Mi-yeong makes an unforgettable first impression on Jung-hui.

Byun Jun-yeong's sisters find out about his dating life. Hye-yeong feels uneasy after seeing Jeong-hwan's co-worker ask him out.

Jung-hui's honest plea earns him another audition. Yeong-sil and Bok-nyeo reach an agreement about rent. Yu-joo humiliates Mi-yeong at work.

Curious about his father, Jung-hui visits Byun Han-soo's eatery as a customer. Hye-yeong and Jeong-hwan get back together.

Jung-hui tells Han-soo who he is, and is enraged by his reaction. Jeong-hwan asks Hye-yeong to move in with him. Yu-joo takes a pregnancy test.

Yu-joo asks Jun-yeong about his family and shares big news. Using her knowledge of Park Cheol-su's secret, Byun Ra-yeong asks him for a favor.

Jung-hui ignores Han-soo's attempts to meet him. Hye-yeong discusses moving out with her parents. Yu-joo looks into Jun-yeong's family business.

Hye-yeong and Jeong-hwan begin cohabitating. Jun-yeong takes the civil service exam and vows to tell his parents about Yu-joo, who's growing impatient.

Yu-joo introduces herself to Jun-yeong's parents. A missing ring brings Yeong-sil, Bok-nyeo and their children to the police station.

With a lawsuit in hand, Hye-yeong tells Bok-nyeo to apologize to Yeong-sil. Yu-joo meets Jun-yeong's family as its newest addition.

Jeong-hwan apologizes on behalf of his mother. Jung-hui drops by Han-soo's store for a drink, but leaves enraged after seeing a joyful family dinner.

In need of real-life family experience for his role, Jung-hui makes a surprising request. The explosive secret behind Han-soo's identity is revealed.

Han-soo tries to persuade Yeong-sil into letting Jung-hui join their household. Bok-nyeo shows up unannounced to Jeong-hwan and Hye-yeong's apartment.

News of Han-soo's son is met with shock by his children. Jeong-hwan's changed entry code and attitude during a blind date makes Bok-nyeo suspicious.

Living under one roof as half-siblings, Mi-yeong avoids Jung-hui at work. Yu-joo offers Jun-yeong an alternative to looking for a home of their own.

Hye-yeong confronts Yu-joo, and Mi-yeong meets with Jun-yeong to tell him about Yu-joo's past. Ra-yeong catches Jeong-hwan and Hye-yeong together.

Mi-yeong asks for a different position. Lee Yun-seok's tragic past is explained. Yeong-sil and Bok-nyeo find out about their children's relationship.

Hye-yeong becomes the target of her family's disappointment and anger. Jung-hui's interview about his father changes Mi-yeong's mind.

Hye-yeong shocks everyone with her stance on marriage. Jeong-hwan reacts with disgust when he learns of Bok-nyeo's role in his breakup eight years ago.

Disagreeing about their future, Jeong-hwan and Hye-yeong part ways. Jung-hui treats his half-sisters to a makeover for Jun-yeong and Yu-joo's wedding.

Wanting to get away from his troubles, Jeong-hwan applies for an overseas assignment. Jung-hui and Han-soo share drinks and a heartfelt conversation.

Bok-nyeo begs for Hye-yeong's help to find Jeong-hwan. Jung-hui earns praise on set for his acting. Ra-yeong becomes Cheol-su's first girlfriend.

Hye-yeong agrees to marry Jeong-hwan, but with a catch. Jun-yeong feels unloved by Han-soo in comparison to his affection for Jung-hui.

Hye-yeong and Jeong-hwan ask for their parents' blessing. Mi-yeong stands in for an actress, with Jung-hui watching anxiously from the sidelines.

Jung-hui gets protective over Mi-yeong when she gets embroiled in dating rumors with Jin Seong-jun. Bok-nyeo gives her approval under one condition.

A formal dinner between Hye-yeong and Jeong-hwan's families ends in disaster. Jung-hui celebrates his first birthday with Han-soo's family.

Jung-hui is baffled by his feelings for Mi-yeong. Bok-nyeo and Yeong-sil make peace for Jeong-hwan and Hye-yeong's sake.

Hye-yeong and Jeong-hwan tie the knot. Cha Gyu-taek reaches a boiling point with Bok-nyeo. Mi-yeong leaves a trail of kisses on Jung-hui's face.

Bok-nyeo feels duped when Hye-yeong installs a door upstairs. Yu-joo foregoes bed rest to stay on top of work. Seong-jun asks Mi-yeong out on a date.

Han-soo becomes flustered when Jung-hui asks about his past. Bok-nyeo makes the most of her arm injury to get payback on Hye-yeong.

Jung-hui and Han-soo's story becomes public news. Hye-yeong is coerced into fulfilling Bok-nyeo's various favors inside and outside of the home.

Hye-yeong expresses disappointment in Bok-nyeo's lie and Jeong-hwan's compliance. Jung-hui's mom returns to Korea and demands to see Han-soo.

After An Su-jin barges into their home, Yeong-sil sends Han-soo away. Hye-yeong reminds Bok-nyeo of their contract. Cheol-su's father meets him halfway.

Hye-yeong rushes to Bok-nyeo's side when she calls from the hospital. Jung-hui notices striking discrepancies between Su-jin and Han-soo's stories.

Hye-yeong yells at Gyu-taek for his behavior toward Bok-nyeo. Yu-joo collapses at work. Growing more suspect, Jung-hui tests his and Han-soo's DNA.

Gyu-taek separates from Bok-nyeo and moves out. Upon receiving a copy of the DNA test in the mail, Yeong-sil rushes to Jung-hui's home.

With knowledge of the truth, Jung-hui confronts Han-soo. Hye-yeong and Jeong-hwan bring Gyu-taek home. Yu-joo reflects on her loss.

With Hye-yeong's help, Bok-nyeo initiates a plan to change Gyu-taek's mind. Jung-hui's rude remarks and their parents' reaction confuses the siblings.

Following her accidental confession, Mi-yeong takes all measures to avoid Jung-hui. Hye-yeong secretly looks into Jung-hui and Han-soo.

Jung-hui assures Mi-yeong with a story about his real father. Hye-yeong pieces together the puzzle with info on Han-soo, Yeong-sil and Yun-seok.

Cheol-su meets Ra-yeong's family. Appreciative of the love and joy he received at the Byun household, Jung-hui tells Han-soo not to turn himself in.

Hye-yeong approaches her parents with her findings. After Han-soo turns himself in, Yeong-sil tells her children all about Han-soo and Yun-seok.

Hye-yeong joins Han-soo at the station, but he refuses her counsel. Reeling from shock, Ra-yeong breaks up with Cheol-su and Mi-yeong quits her job.

Hye-yeong searches for a witness to reopen Yun-seok's case. Recognizing Jung-hui's father, a reporter publicizes details about his past and identity.

Yeong-sil asks Yu-joo to not tell the family about her doctor's visit. Seeing Han-soo's latest interview, Jung-hui gets away to check on the family.

Han-soo receives his date for trial, and Yeong-sil sets hers for surgery. Jung-hui and Mi-yeong enjoy dates away from prying eyes.

Yeong-sil secretly gets admitted for surgery with Yu-joo by her side. Yun-seok asks a former teammate and witness to testify.

Bok-nyeo and Gyu-taek rally around Hye-yeong. Jung-hui finds himself in a dating rumor with a co-star and in hot water with Mi-yeong.

Gyu-taek declares newfound appreciation for Bok-nyeo. On behalf of Yun-seok, Hye-yeong asks the judge for a chance to clear his name through a retrial.

Jung-hui asks for Mi-yeong's hand in marriage. With his recovered identity, Yun-seok walks Yeong-sil down the aisle and embarks on an adventure.