Si-ying (Vivian Sung) is a university freshman who works part-time at a café'''''.''''' Here, she met A Bu-si (Megan Lai), a professional coffee maker who can make any type of coffee according to a customer's order, the shop's proprietress (Vivian Chow) who is often quiet and alone, seated at a corner of her café most of the time, as well as Ze-Yu (Marcus Chang).