To fund her brother’s medical treatment, Lena enters a three-year contractual marriage with wealthy heir Ethan, devoting herself quietly while being treated as a placeholder for his long-lost love. When Ethan decides to divorce her for his sweetheart, Lena leaves heartbroken yet resolutely. She soon reemerges as the sole heir to a $4.7 billion tech empire, building a stellar career and finding true love. A regretful Ethan wakes up to his feelings far too late, and the two eventually move on with their separate lives.