After the battle of Sky City, Feng Ren declares war on the human tribe. Seeing that the human tribe has no means of retaliating, Fang Qiwu, the queen of Human tribe, tries to use a time machine device to return to the past so that she can possess the body of Nan Yinmeng, Feng Ren's beloved consort, and kill Feng Ren. However when she wakes up in another timeline, she is told that Feng Ren is dead.
Ah-Zhou, who is about to be honorably discharged from the military service, has a surreal dream. In the dream he sees the dead body of Shing-Shing Chen, a classmate in elementary school from years back. Is this dream implying that Shing-Shing Chen might have died? Soon afterwards, Ah-Zhou gets an unexpected five-day vacation and decides to look for Shing-Shing Chen. Nevertheless, he quickly learns that the special vacation is for him and another soon-to-be-discharged solider, Xiao-Gui, to go after a deserter, Kuen-He, who ran away with weapons two days ago. Both of them are worried about this assignment because they, the old birds, used to pick on Kuen-He, a spring chicken. And Kuen-He is now a deserter, armed and dangerous.
Yueh-chen has an obsession with her classmate Shihao, but is too shy to confess to him directly. She sends in her best friend, Kerou, to act as a go-between, and Shihao ends up falling for Kerou, who is not sure what to think of him.