Doris is an ordinary young woman who gets pregnant before marriage. After being bullied by her stepmother and stepsister, she unexpectedly becomes the assistant of Yates, a powerful businessman. Yates is being pressured by his grandfather, York, to get married and have children. To solve their problems, Doris and Yates make a deal. They pretend to be husband and wife and move in together. But neither of them knows that the baby Doris is carrying is actually Yates’s child. As they spend more time together, Yates is drawn to Doris’s strength, while Doris begins to see his gentle side. When Doris’s stepsister Lilith and Yates’s childhood friend Stella scheme against them, the two face the trouble together and clear up their misunderstandings. In the end, Doris and Yates get married for real. Doris gives birth to triplets, finds love and family, and proves her own worth through her talent for jewelry design.
