So Jin, a genetic researcher who loves DNA, decides to end her relationship with a playboy boyfriend and sets out to find a genetically compatible partner for a happy relationship. Whom among the two men that So Jin meets, obstetrician-gynecologist Yeon Woo and firefighter Kang Hoon, will be the perfect match for her? A captivating story intertwined with genetics! This story portrays the struggles, love, and everyday lives of young friends.
Na-eun believes she is a cosmic being. She has been trying to communicate with space at noon in a park. Seok-min is an unemployed young man who has been looking for a job. He goes to the park to take revenge after his close friend was hospitalized because of injuries caused by Na-eun but falls for her when he sees her.
Leaning on each other through thick and thin, a trio of best friends stand together as they experience life, love and loss on the brink of turning 40.
A skilled surgeon becomes a coma patient and possesses a first-year resident who is the polar opposite of him in expertise and personality.