The daily life of a female teacher appears calm and ordinary at first glance. However, behind her back, her husband, an elite teacher who works at the same school, continues to torture her with sadistic sex. Her husband played exam questions to violent students and played with the female students' bodies in return. When the female teacher goes out into the city at night to say goodbye to the ugliness and dirt hidden in her school and husband, she finds human liberation and a new way of life.

A female college student who grew up in a wealthy family, and a younger half-sister who doesn't even know who she is. She is a young and mature mother-in-law. A variety of dazzling, sexy, and slightly sentimental stories set under the scorching midsummer sun, centered around a mysterious and strange man who enters their lives. A unique experience unfolds in a seaside town.