Debbie Darcy Jayne is a young woman who works at a bar to support her family. Her parents are both ill, and she is the only child in the family, so she is considered as the breadwinner. Habang nagtatrabaho sa bar, hindi inakala ni Darcy na makikilala n'ya ang lalaking magpapabago sa takbo ng kanyang buhay. She was contractually bound to bear a child for the Hemsworths--Sina Alferus Hemsworth and Sanjah Sanchez-Hemsworth, a married couple.. She was offered a big amount of money for that one job. Sanjah is infertile, which is why she was unable to bear a child. Dahil sa pangangailangan ng malaking halaga ng pera, napapayag si Darcy sa nasabing kontra, and she didn't notice, as she was playing her part, she started to develop a romantic feelings for Alferus Hemsworth, and suddenly, she just became a mistress. Will Darcy be able to hold back her feelings for the man whom she thinks will never be hers for life?