Eleanor, the powerful controller of Vance Group, drives on the American coastal highway and accidentally spots her tens of millions Ferrari. The luxury car, originally gifted to her daughter-in-law Chloe, is driven by Mia, her son Julian’s mistress. Insolent and arrogant, Mia insults and pushes Eleanor, mistaking her for the legal wife Chloe. Choosing to hide her true identity, Eleanor collects evidence of the mistress’s greed and her son’s immoral behaviors in secret. She makes careful plans and finally takes down the greedy mistress and her worthless son completely.