Marrying My Sister's Husband - Episode 1

After the sudden death of her younger sister Yu-Ri, Yu-Jin wakes up to find herself reincarnated before Yu-Ri's marriage to Chan-Yeong, the heir of Young Glory Holdings. Haunted by guilt for letting her sister marry Chan-Yeong, Yu-Jin confronts him, demanding to make him suffer the pain she endured. In a tense confrontation, she claims she will expose her own murderer and insists that Chan-Yeong must marry her instead of Yu-Ri, challenging their destined relationship and setting the stage for a turbulent shift in their futures.