Lily's life is turned upside down when she learns that an egg she donated was accidentally fertilized with the sperm of one of the doctors at the hospital where she is a nurse. Now, due to the fertility clinic's mistake, a woman is pregnant with their baby! Carter had gotten divorced after undergoing infertility treatments, but he wanted to have parental rights no matter what. He asks Lily for her help and offers to help her out in return. She knows he is only using her for the baby, so she really shouldn't fall in love with him...