Wedding Eve: Fiancée Betrayed Me with Her Stepbrother

On the wedding eve, Julian catches his fiancée Claire sleeping with her adopted brother. Betrayed, he cancels the marriage and weds Grace, his family's rival. Claire soon regrets her mistake, but Julian never looks back. As Claire spirals into obsession and tragedy, Julian builds a real partnership with Grace—cold at first, but growing into something true. Some doors, once closed, never open again.