The coming-of-age sitcom depicts the struggles and adventures by a single lady, Yoo Mi, who tries to find her own happiness and what she really loves.

The temperature of 37.2 degrees Celsius is when the body is most suited to fall in love. And at the pirated radio frequency of 37.2, a man known as DJ Captain (Yoon Gun) hosts an underground show called "Pirates Radio," where listeners call in to get all kinds of advice about love and relationships.

Set in backdrops of Seoul’s most popular tourist spots including Han River and Bukchon, it is a story about a writer, named Daniel, who was adopted to the US when he was 10 years old, coming back to Korea after becoming a world-class novelist. He decided to come back to Korea to meet his family including his mother who had no option but to put her son up for adoption. While he traces back in memory, he meets Yeo Jin, the editor helping Daniel with the publication of his book in Korea and the two soon realize some undeniable chemistry between them.

The temperature of 37.2 degrees Celsius is when the body is most suited to fall in love. And at the pirated radio frequency of 37.2, a man known as DJ Captain (Yoon Gun) hosts an underground show called "Pirates Radio," where listeners call in to get all kinds of advice about love and relationships.