Seoul veterinarian Han Ji-yul goes to the village to visit his grandfather, but upon arrival it turns out that he went on vacation to Europe for six months, and Ji-yul now has to look after his grandfather's veterinary clinic.
Han Ji-yul`s stay in Huidong starts off on the wrong foot when he gets mistaken for a thief while trying to enter his grandfather`s home.
The townsfolk meet Ji-yul with much enthusiasm and interest, including An Ja-yeong - who seems to be present wherever he goes.
After a frustrating incident at the police station, Ju-yul coldly distances himself from Ja-yeong - a choice he will soon regret.
Ji-yul warms up to Ja-yeong and helps her care for a rescue dog. Meanwhile, the growing closeness between the two makes Lee Sang-hyeon uneasy.
Sang-hyeon clears the air with Ja-yeong after the awkward encounter the night before. He then warns Ji-yul to back off.
Ja-yeong attends a town meeting and gets caught in the cross hairs of an ongoing feud. Ju-yul looks for a solution to ad old man`s heartbreaking request.
Ji-yul tiptoes around Ja-yeong, not knowing how to break the ice after the shocking revelation. Meanwhile, a heartbroken boy comes to him for advise.
After getting a chance to hang out and unwind on a spontaneous work trip, Ji-yul and Ja-yeong come home to find unexpected visitors from Seoul.
Ja-yeong drifts further away from Ji-yul after her new housemate asks for help to win back an ex-boyfriend.
Ju-yul finds that he`s running out of time as he grows more certain of his feelings for Ja-yeoung. Sang-hyeon gets his long-awaited response.
Ji-yul gives Ja-yeong a tour of his clinic in Seoul as they continue to sneak around town on secret dates.
When work delays the much-anticipated night out with Ji-yul, Ja-yeong plucks up the courage to make a special announcement to the entire neighborhood.
Complete episode guide for Once Upon a Small Town with detailed information about every season and episode including air dates, summaries, ratings, and streaming availability in United States.
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