The story is set during the late Ming Dynasty when a mysterious epidemic breaks out. It follows the thrilling journey of Chu Sijing, a member of the secret service, as he navigates a life-or-death crisis on a deserted island.
The film is based on the best-selling suspense novel "The Long Corridor" by Keigo Higashino. There are countless secrets hidden in the cloister pavilion mansion. After the rich merchant died of illness, a fire murder case that occurred a year ago was revealed, involving the first heir of the estate, that is, the illegitimate son of the deceased, making the distribution of the estate complicated.
Gu Nian was a full-time housewife leading a happy life until her husband becomes involved in a criminal case and gets exposed for infidelity.
Gao Yang does not get along with his father Gao Bin since young, despite being brought up solely by him. He is a rebellious kid, often skipping school and testing the limits of his teachers. He then decides that he and the new student Ye Xiao Wen will be "irreconcilable rivals". However when he returns home after school, he is shocked to see Ye Xiao Wen cooking at his house! Gao Bin then drops another shocker - Ye Xiao Wen would be living together with them.
Snow Leopard Secret War is set in 1943, when the war in the pacific was still going on, causing the Japanese army to be affected and had to switch to defense mode. However, they were carrying out another battle plan, a large-scale attack began, they also tasked agents with lying in the area and illegally transporting weapons. . At this time, the leader of the Independent Troupe Tiger Tou Son Bat Lo Luu Vien found the spies and successfully prevented an impending war.