Hahaha is a South Korean film that revolves around two friends who recount their separate vacations at the same seaside town. Through a series of flashbacks, the movie unveils their interactions with the townspeople and their romantic entanglements. As they share their stories over drinks, it becomes clear that the two friends had unknowingly crossed paths during their trips. The film is a clever exploration of memory and perspective, with its narrative unfolding through subtly humorous and poignant moments.