When did Devil Behind the Gate Season 1 Episode 15 air?
Devil Behind the Gate Season 1 Episode 15 aired on May 14, 2025.


Yuan Yingcai (Desmond Tan), a teacher working at an art school, suddenly commits suicide. His death causes an uproar in the school. He had a promising future ahead of him. Why would he kill himself? Yingcai’s twin brother Yuan Yingjie (also played by Desmond Tan), who has lived abroad most of his life, returns to Singapore to deal with Yingcai’s funeral matters. He believes that there is more to Yingcai’s death and decides to infiltrate the art school and uncover the truth behind. His investigations lead him to several suspects, including Yingcai’s newly wedded wife and students. Secrets and grudges surface and all seemed to have something to hide in their relationship with Yingcai. The plot thickens as more potential suspects get unveiled and new information get uncovered. Soon Yingjie discovers a hidden side to Yingcai—a twisted, extreme side—and the shocking truth behind his death.

Yingjie discovers Aixin’s letter revealing her regrets toward Xiaolei, while Xiaolei, overwhelmed by anger, holds Andy hostage and considers killing him.
Direct answers for episode-level questions and details.
Devil Behind the Gate Season 1 Episode 15 aired on May 14, 2025.
This episode runs for approximately 45 minutes.
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