Yan Jiu, as the head of the KO39 department, met Qiu Ying, his best friend for several years, when he returned to the department to pick up trainees. At this point, the two began their love story, but there were some surprises in their love, and they were separated for several years. When they met again, they were facing each other tit for tat in a foreign country...
Intention: Fall in love and reunite