Qin Xiaotian is an ordinary urban youth who accidentally became a deliveryman for "Underworld Takeaway", responsible for delivering all kinds of weird packages between the Yin and Yang Realms. In this bizarre job, he met his cold and beautiful colleagues, as well as restless zombie girls. The few people experienced various supernatural and funny events together, and gradually discovered that there was a huge conspiracy hidden behind it to subvert the two realms of Yin and Yang.
