Three lonely strangers meet at their department store jobs and find solace in each other's company while they explore connection and the nature of love.

Once known as the frontman of the rock band Ambulance during his college days, Seung-min now lives a quiet life running a small instrument shop. One day, his legendary first love Bo-na, the girl he never even had the courage to confess to before she suddenly disappeared, unexpectedly reappears in his life. From that moment on, Seung-min's heart begins to race again. But as old feelings resurface, he finds himself trapped in an awkward predicament: a secret he must never let his first love discover… no matter what.

On the edge of a corrupt city lies the "Texas Hot Spring," run by brothers Ro-han and Gyo-han. Ro-han meets Jae-in, a girl abused by her mother, and ends up selling her drugs, causing her death. Meanwhile, Gyo-han, allied with the local crime boss, decides to sell Jae-in, blaming her for his brother's change in behavior. Ro-han refuses and escapes with her, determined to protect her.

Isak Borg is the first secretary of Swedish Embassy in Pyongyang. Even though he's a diplomat, he is secretly dating Bok-joo, a local traffic officer. One day, after a shady man was seen at their secret meeting spot, Bok-joo goes missing. With his departure date approaching, Borg searches for Bok-joo and begins to get suspicious of his interpreter, Lee Myeong-jun.

Yeo-ul likes basketball a lot. Her best friends are Ho-su and Ju-yeon. They have played basketball since they were children. One day, Ho-su suddenly tells Yeo-ul that he likes her. She tells him that he is just a good friend to her. Their relationship becomes awkward. Meanwhile, Yeo-ul has a crush on Ho-jae. He is the top player on the boys' high school basketball team.

The story follows Candy and Dave who fall in love with each other amidst their search for freedom.