After his grandfather's mysterious disappearance, Xu Xing is forced to inherit a bankrupt travel agency left behind by his grandfather along with one million in debt. He accidentally discovers that there are actually seven doors in the travel agency that can lead to different otherworldly realms. In the Golden City of the first different world, as long as he slays the gold demon, he can obtain corresponding gold; moreover, the travel agency endows him with an immortal body and the ability to rewrite rules in the different world. Originally everything was developing in a good direction, until when he opens the second door and sees... he discovers that he has always been living in a lie.