Lynn Chens follows a couple (Jian RenZi and Andrew Lin) who has been unsuccessfully trying to have a child for a few years, and decides to resort to an old Chinese fertility ritual, that of the primer: to temporarily adopt a child, who will open the way for their own progeny. They adopt a quiet 7-year-old girl (Wang Yifei) at an orphanage whose supervisors (Hui Shiu Hung and Pat Ha) are obviously not telling them everything...