Memories of First Experience: Seong-ae, a woman whose first relationship with a jobless gangster, Geon-woo, opens her eyes to the world of sex. As an adult, Seong-ae’s sexual experiences become rougher, reflecting her past. When her best friend, Yoo-ri, tricks her into stealing Geon-woo, the two eventually marry. However, Geon-woo continues to secretly meet Seong-ae, unaware of Yoo-ri’s knowledge. Meanwhile, Yoo-ri also enjoys secret sex with Myeong-jin, a junior at Geon-woo’s company. As the story unfolds, Seong-ae’s world is turned upside down as she exposes the hidden relationships, leading to a web of betrayal and desire.
