Marrying My Ex Five Years After Our Breakup

At her wedding, Luna catches her fiancé cheating with her illegitimate adopted sister. In a fit of rage, she marries Ethan, her ex-boyfriend from five years ago on the spur of the moment. Living together with lingering misunderstandings from their past, they gradually resolve old grievances, join forces to fight against their scheming family members and enemies, rekindle their love and live happily ever after.