Xiao Mochen, a delivery man, becomes entangled in the Red Witch's conspiracy and transforms into a wolf to protect the female streamer, Er Bai. Meanwhile, the foreign merchant guild and the vampire Muramasa plot to lure Er Bai into filming an illegal adult movie. Shi Wen, a wealthy young woman, is accidentally saved by Xiao Mochen and soon falls deeply in love with him. As the Red Witch and Muramasa vie for control over the werewolf gene, Xiao Mochen and Er Bai must navigate these two powerful forces, ultimately fighting to secure their love.