Warm and Cozy Season 1

Jung-joo goes to Gun-woo's birthday party and tells him that they are twins. After receiving a message from Jung-min, she goes to Jeju to resolve it, but reunites with Gun-woo on the way there.

When Gun-woo believes Jung-joo is a cancer patient, he tries to help her out. Jung-joo decides to settle in Jeju and is up and running to start her new life.

After hearing the news that Ji-won is moving to Jeju, Gun-woo readies a special menu with hearts in his eyes. Jung-joo sees Gun-woo in this state of love and her heart starts to flutter. Meanwhile, Jung-geun and Hae-shil have a dramatic first meeting.

Jung-joo seriously considers a new menu for Mendorong Ddotdot. She wants to sell shellfish noodles at a cheap and fair price but Gun-woo disagrees.

Geon Woo begins to feel jealous when Jung Joo spends more time with the mayor. Jung Geun is unable to get the lady diver who saved him out of his mind.

Jung Joo and Jung Geun take the divers test together. Geon Woo keeps canceling plans with Jung Joo to hang out with Ji Won instead.

Ji-won doesn't want Jung-joo making Gun-woo uncomfortable, so she tells Jung-joo to stop concerning herself with him. However, Jung-joo confesses to Gun-woo that her heart beats for him whenever she sees him.

Gun-woo feels abnormal, but Gun-woo doesn't want to express his feelings. While Gun-woo still worries about Jung-joo's health, he finally begins to have feelings for her.

Gun-woo is relieved that Jung-joo isn't really sick. Gun-woo still wants Jung-joo to run Mendorong Ddotdot.

Jung-geun requests to have a date with Hae-shil and boldy confesses his feelings for her. Meanwhile, Gun-woo quietly shows his dislike for Jung-joo becoming the mayor's wife. But the villagers are making every effort to bring Jung-joo and Hwang Wook together.

Jung-joo becomes embarassed about the sitution. Gun-woo is restless about his own actions.

A hungover Jung-joo doesn't remember anything from the night before. She only faintly remembers Hwang Wook. Gun-woo gives himself over to Jung-joo, but she doesn't believe him because of everything that has happened until now.

It is revealed to Jung-geun that the man who killed Hae-shil's husband is Gun-woo's father. Jung-geun can't stop Gun-woo from leaving Jeju. Jung-joo sees Gun-woo has two tickets but hears from Ji-won that she is leaving with Gun-woo.

Gun-woo has decided to leave after Jung-geun and Hae-shil's wedding at Mendorong Ddotdot. While Jung-bae suggests to Gun-woo to meet with his father.

Jung-joo is sorry for not believing Gun-woo after seeing the necklace inside the conch.

Gun-woo and Jung-joo reunite in Jeju after one year. Gun-woo still has feelings, but he sees Jung-joo with a baby that looks like her. Who is the father?