Buried Alive, I Became My Enemy's Sister

Ella gave up her career, inheritance, and future for the man she loved. His reward? He buried her alive. After clawing her way out, Ella finds Serena Winters, a long-lost heiress left to die by her own family. By morning, Serena is dead. And Ella has a new identity. She returns as Serena to avenge them both, with one promise: everyone who destroyed them will pay. They already killed Ella once. This time, she's coming for them.