Park Dara is turning 30 soon and would really like to have a baby. However, she had just broken up with her longtime girlfriend Chaerin. Feeling devasted over the loss of the relationship and not to mention friendship, Dara decides to go home to Busan to reassess her life. But the ticking of the clock has started to become too loud for her liking. Turning to her closest cousin Park Bom, Dara decides that she just needs to have to get herself pregnant. She sets her sights on one of her brother’s dongsaengs, the ultimate player, Kwon Jiyong. But will the ladies man take fatherhood sitting down or will having a baby girl with his long-time-crush Park Dara finally change the ladies man to a family man?