Devil Behind the Gate(2025)

Devil Behind the Gate is a Singapore thriller series that opens with the shocking suicide of art school teacher Yuan Yingcai. His twin brother Yuan Yingjie, played by Desmond Tan, returns from abroad convinced that something darker lies beneath the surface. Yingjie infiltrates the school to investigate, uncovering a web of secrets among Yingcai's wife, students, and colleagues—all of whom had reasons to hide the truth. As he peels back layers of deception, Yingjie discovers a hidden, twisted side to his brother that no one suspected. The investigation spirals into dangerous territory as each revelation brings him closer to a shocking truth about Yingcai's death. Suspicion spreads across the school community, and everyone becomes a potential suspect in this tense mystery.