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For Do-yi's 70th birthday, her three sons and two daughters-in-law gather at her villa. As usual, Se-mi ignores Do-yi even at her birthday party, and Chi-gang and Deung-myeong try their best to patch things up for them. At the end of the day, Se-mi finally speaks up to Do-yi after all these years, which shocks the whole family.

Ri-an wakes up at Chi-gam and Eun-seong's home. However, as she sees Chi-gam, she collapses again out of shock. Eun-seong finds it fishy how Ri-an is terrified to see her husband. Meanwhile, Chi-jeong is curious about the strangers staying at Chi-gam's place, so he decides to visit them.

So-jeo loses Eon even before she gets to enjoy her newlywed life. So-jeo prays day and night for Eon, and somehow, Ri-an and So-jeo end up at Chi-gam's home in the present. They are confused as they wake up at a different time and space, and Dan family thinks they are mentally ill. Furthermore, Eon appears in front of So-jeo, who is supposed to be dead.

Do-yi comes to see Ri-an and So-jeo for herself at Chi-gam's place. Chi-jeong is also curious about those two ladies as they act like they are from Joseon Dynasty. However, Eun-seong is not fond of them as Chi-gam and Chi-jeong are willing to help them when they are complete strangers. Meanwhile, Ri-an from the past finds out the truth behind Dol-soe's death.

Chi-gam and Eun-seong experience conflict due to Ri-an’s presence, while Chi-gang becomes gradually upset with Se-mi’s recurring unpredictable behavior. So-jeo tells Ri-an what happened at the water wheel, making them worried that they may return to the past at any moment. One day, both Ri-an and So-jeo disappear from Chi-gam’s house.

Ri-an notices Chi-gang resembles her grandfather-in-law in the past. Chi-gam presents a gift he had prepared for Ri-an, triggering a conflict between Chi-gam and Eun-seong. As a result, she decides Ri-a and So-jeo must leave. Meanwhile, drama director Ju-nam runs into Ri-an and So-jeo and becomes intrigued by their unique aura.

Ri-an and So-jeo are out for a walk when they are asked to perform as extras in a drama, earning them their first paycheck. Chi-jeong hears Ri-an’s voice addressing him as her husband. Ri-an and So-jeo take fingerprint scans for their background check, but the Dan family is shocked at the results.

Everyone rushes to the hospital at the news of Chairwoman Do-yi's car accident. Ri-an remembers Il-soo's shocking confession in the past, and Ri-an and So-jeo undergo hypnosis treatments since their identities are still unknown. Meanwhile, Chi-gam visits the pond where Ri-an and So-jeo had emerged.

Ri-an and So-jeo resort to hypnosis for their identity check after other methods fail. During the hypnosis session, they confess their past. The tension between Il-soo and Dol-soe continues to grow, making Ri-an uncomfortable and unsure of what to do. Meanwhile, Chi-jeong witnesses Ri-an experiencing nausea.

Chi-gam witnesses Ri-an exercising for the first time and is overwhelmed with emotions. Do-yi and Chi-jeong are convinced that Ri-an is pregnant. Se-mi encourages Deung-myeong to confess his true feelings to Ayla, and he takes Ayla somewhere after receiving the advice. Meanwhile, Se-mi and Director Ju-nam have a disagreement over Ju-nam’s decision to cast So-jeo as the female lead.

After being cast in the same drama, So-jeo and Deung-myung develop strange feelings between them. However, Ayla feels uncomfortable seeing them together. Chairwoman Do-yi takes her secretaries' advice and goes clubbing, where she encounters Ju-nam. Meanwhile, Eun-seong feels the housekeeper is acting strangely after the late-night call from her.

After meeting at the club, Do-yi and Ju-nam agree to go on another date. In the past, Lady Kim confesses to Ri-an about Dol-soe. Deung-myung and So-jeo's acting practice kicks off, allowing them to spend more time together. Meanwhile, Eun-seong discovers that Chi-gam went to a cafe with Ri-an, which leads to an argument.

Ju-nam and Do-yi go out on a date, enjoying their romantic time and getting to know each other. After discovering Deung-myeong and So-jeo are at the swimming pool, Ayla decides to visit the pool. Meanwhile, the housekeeper, who found the fans at the cottage, rushes somewhere else while Ri-an and So-jeo revisit the pond where they first arrived.

Eun-seong tells Se-mi she wants Ri-an and So-jeo to return to her house. Meanwhile, Ri-an and Chi-gam spend a wonderful time together at an amusement park after visiting the kimchi factory. However, they run into the housekeeper, who is acting strangely. Do-yi falters at Ju-nam's sudden marriage proposal, and in the end, she tells him her age.

Ayla becomes furious at Deung-myeong for not keeping in touch with her while he enjoys the amusement park with So-jeo and Ri-an. Chi-gam bumps into his old housekeeper at the amusement park, and she tells him he was a servant in his past life. Meanwhile, Do-yi gets the family together after registering her marriage with Ju-nam to inform them about it, and Ri-an finds herself in a situation to move back to Eun-seong's house.

Do-yi's marriage announcement stuns everyone, but an even greater surprise awaits as they learn that the groom is Ju-nam. Everyone gathers for Eun-seong's birthday, and the housekeeper offers them a look into their past, starting with Deung-myeong. Chi-gam confesses his emotions to Ri-an after learning about his past. Meanwhile, Ri-an returns to the pond she arrived at on the first night, and Chi-gam becomes aware of it and starts searching for her.