Alex (New Thitiphum), a 17-year-old boy who is not confident in himself. There is only one passion in life that is photography. and experience zero love Alex lives with an all-male family with a younger brother, Ice (Phuwin Phuwin), while his mother dies from an accident. Plus, his mother ordered before he died that he should keep his virginity before the age of 18, otherwise disaster would happen. But Alex could hardly stand it. Because friends in the group like the young nerd Seew (Sing Harit) and the coolest lesbian Nim (Jan Ploychompoo) have all given up their virginity. Only Alex was left. So he determined that at a party at a Jedi (Mark Phakin) house, he would lose his virginity. And that night, Alex meets Jean (Fah Yongwaree), the hottest feminist girl. and it seems that he has lost his innocence to her But trouble ensues when Alex wakes up unable to remember what happened at the party. Plus, he became a 27-year-old man with a career as a obstetrician. He's an absolute expert on sex, and he's faced with a mystery that comes with a Polaroid that night. and countless disasters Will Alex finally solve the mystery and return to the past?