After catching Ethan cheating with his ex, Brooke, Claire dumps him and falls for his billionaire adoptive father, Alexander. Ethan assumes it's all revenge—until the couple announces their plans to marry. Determined to succeed without relying on her relationship, Claire earns a job as a finance analyst on a children's activity center project. She discovers that Brooke's supplier documents don't match the actual materials and that Brooke concealed a family connection to the supplier. Claire exposes the violations and prevents unsafe materials from being installed. Furious, Ethan leaks private videos at her engagement party and forges a will amendment to seize control of Alexander's company. But Claire identifies a key witness and receives company shares from her father. She enters the board meeting as a shareholder and helps expose the fraud. Ethan is taken away by the police, while Claire earns professional recognition and marries Alexander.
