A playful high school prank sparks a complicated romance between Se-in and Myung-rok, but rumors and misunderstandings drive them apart, only for Se-in, still in love five years later, to try to pick up where their story left off.
The sequel to the romantic story "Love After School 2" will tell us about the relationship between the heroes of the first season. Bang and Hong were loyal friends at school, and it was only as adults that they realized they were in love with each other. They are still having fun together and getting ready for the upcoming wedding. But the couple will have to face unexpected problems and pass a real test of their feelings. Will they cope?