This is a love story of three generations: Gen X, Gen Y, and Gen Z. Chatra is a pint-sized PA. Thorn is a businessman who owns a luxurious club Chatra visits. It's on New Year's Eve, Chatra's birthday, that her boyfriend of ten years puts an end to things. After that, she begins throwing back drinks and letting loose. That evening's events, a gun threat, Thorn, the presence of Thai—Thorn's dependent and her best friend's son—are erased from her memory.

Third-year emergency medicine resident Tin has to cope with a deluge of different patients every day. Up until the eighteenth, that is. Tin's life is transformed when university student Tol's car is overturned, and he's rushed to the emergency room in serious condition. That night doesn't end when Tin fails to save Tol's life, though. When Tin next wakes, he finds himself in a time loop, a loop he won't be able to leave until he's altered Tol's fate.

Recent graduate Manfan is facing numerous problems: her family's bankrupt; she's been dumped; everything's gone downhill, dragged down to the abyss. Wanting nothing more than some release, she hires an enchanting escort named Araya who reassures her that good things are coming. Who would've have thought that later, when she would take on and important job and meet her boss Issara, she would come to learn that Araya and Issara are one and the same?