In "Northeast Mysteries 2," the direct sequel to the first film, the young and timid Xiao Mo and Wang A have become disciples of Old Man Bai. Together, the three try to make a living by streaming live, but they find little success. Then, Xiao Mo receives a call requesting funeral services, and the three immediately head to the client's home. To their surprise, it turns out to be a house they are already familiar with. The current owner is a woman named Ge Jiao Lan, and the deceased is her son. What initially seemed like an ordinary death slowly reveals one suspicious clue after another, forcing Old Man Bai to demonstrate his true abilities.