Marrying My Sister's Husband

Yu-Jin is murdered by her husband Chan-Yeong and his mistress Na Ju-Hui. Days later, her sister Yu-Ri is killed and wakes up back in time before Yu-Jin and Chan-Yeong’s wedding. Armed with the knowledge of betrayal and a vow to avenge her sister, Yu-Ri decides to marry Chan-Yeong to uncover the truth and punish him. She steps into the role of bride, masking rage beneath practiced smiles as suspicion closes in. When her first love Tae-O suddenly returns, Yu-Ri faces a brutal choice between revenge and the fragile chance at regained happiness. Every move risks exposing her, and repeating the tragedy she is desperate to stop.