Set in Philadelphia, Stephanie Phillips is a food blogger and party girl, who has to drastically tone down her lifestyle when she marries Charlie Phillips, an older man with three children. She now has to be a mother to Charlie's teenage daughter, Gabrielle, and his grade school-age sons James and Aaron. Stephanie has to quickly learn how to be a full-time stepmom with the help of her overbearing mother, Maggie, while attempting to keep her social life active.