In the hot summer, after a happy trip to Europe, Seongsu and Gyeoul, which are self-isolated due to COVID-19, the two lovers can't stand the burning desire and turn on the air conditioner to make love. But, hot air comes out of the air conditioner and eventually explodes… 'Will they be able to love today?'
Eun Gye-hoon, a famous chef, opens a restaurant in a town he lived when he was a little kid. In the past, he had a twin sister. But after a traumatic incident tat the hometown, the family lost her. He used to have a strong emotional link to his sister, able to synchronize with any kinds of feelings she was having. When Noh Da-hyun, a young woman in need of help, visits him one day, Gye-hoon starts to feel that strong link again.
Young-jin doesn't get a chance to get a promotion because she is a woman. On the other hand, Jun-seul easily gets a job as a manager with the power of connections.
Tae Pyeong is a prophet. When he looks into someone's eye, he can see the moment right before they die. Tae Pyeong is smart, rich and handsome. Despite his special ability, he is a bright person. A mysterious serial murder case draws Tae Pyeong's attention. He partners with Detective Joon Young to solve the string of murders.
A success-hungry lawyer finds himself unable to turn his back on a suspicious case involving a child who claims she murdered her brother.
When a school girl disappears, suicide is suspected, and one of her classmates is suspected of having goaded her into it.
Story is set in Daegu, South Korea during the 1970's. Lee Jung-Hee is in the 2nd grade of high school. She has a bright personality and is the second daughter of a family who runs a toy factory. She and her friends go through adolescence.