The Imposter Wife's Revenge

Chloe Cameron, Second Young Mistress of the Graham family, bullied by her in-laws, escapes. She meets Mia, who looks like her. Chloe causes Mia's amnesia, using Mia's identity for revenge. Fake Chloe (Mia), with cousin Nathan Graham, punishes villains who bullied Chloe. Real Chloe returns, Mia regains memories, and gets together with Nathan Graham.