The Cursed Vow Restored

In her past life, she sacrificed everything to save her cursed husband, only to be murdered for her twin sister. Now reborn, she refuses to play the savior. As she watches her ex-husband and sister spiral into ruin, she finds a new path with his family's mysterious adopted son. Can they break the cycle of tragedy and reclaim their true destiny, or will the darkness of the past consume them both?