Following the events of the holiday film Merry Little Batman, Bat-Family follows Batman, Alfred, and young Damian Wayne—who has taken on the mantle of Little Batman—alongside a few newcomers to Wayne Manor, as they navigate the fun and frustrations of life as a super family.
本作讲述从小就被诅咒「只要碰触到东西就全都会死亡」的贵族少爷，以及唯一愿意陪伴且不时性骚扰他的女仆爱丽丝，两人虽两情相悦却不能触碰彼此的恋爱故事。
