100 Days of Demon Hunting Notes (Colored) summary: As a recent college graduate, Jian Nanshan never expected to become involved in a mysterious case with his uncle Wang Heming. Their investigation leads them to a shocking discovery about a century-old family secret and a resurrected corpse. They soon learn that an enigmatic organization called "Tianluntai" may be responsible. In their quest for answers, they are joined by Tang Shituo, who has only 100 days to live but claims to have critical information about the organization. Even though they face many obstacles and attacks, the group continues with their investigation. However, they soon realize that "Tianluntai" has been following them in various disguises, using dark magic to harm unsuspecting victims secretly.