The Book contains lists of people that can be paid to cater whatever the client needs and wants, and Sana just found herself flipping through it. Not that she doesn't have people to help her nor enjoy life with her; she just wanted to meet someone new.

With their relationship going south due to CEO Kim Dahyun's scedule, will she be able to make it all up with her girlfriend of five years and mother of her daughter, Minatozaki Sana, with just one vacation?