Li Fan's existential crisis (the mess left by the original owner) and his son's future fate (avoiding becoming a public enemy). The conflict between Li Fan's modern parenting concepts and the world (or Li Xiao's potential "villain" genes). Li Fan's foothold in this strange world, and the pressure to protect his son from being discovered as "abnormal". Li Fan's insistence on "human nature is inherently good" and his belief in whether he can change his destiny.
