Amid the intergalactic Spring Festival surge, seats were scarce. Seeking an interview on Earth, Li Ha had to board a space cab whose door never sealed. A bizarre chain of events caused frequent mishaps on the journey, and Li Ha suddenly wed his beloved Damei and welcomed two children in a single day. The family consists of his wife Damei, who drifts through the cosmos; their daughter Nana, dubbed Iron Fist; and robot Xiaodang. This bundle of joy has plagued Li Ha for a decade. The enigmatic relatives, all interstellar operatives, frequently incite alien oddities that plunge them into repeated catastrophes. Li Ha"s adoptive father, Li Dalong, has also started appearing.