When a covert operation in the jungle goes catastrophically wrong, a team of elite commandos finds themselves hunted by a relentless and unseen enemy in this high-stakes action thriller. Directed by Yau Ming-Shing, the film stars Sibelle Hu Hui-Chung as a determined intelligence officer whose mission to extract vital information becomes a desperate fight for survival. She is joined by the hardened soldier played by Ling Yun and the tactical specialist portrayed by Eagle Lee Siu-Fei, each bringing their own skills and secrets to a situation rapidly spiraling out of control. As paranoia spreads and loyalties are tested within the unit, the soldiers must navigate a treacherous landscape where every shadow could conceal a threat, and the true "call of duty" becomes a brutal contest of wills against a cunning adversary. This tense and gritty film plunges viewers into a world of jungle warfare and psychological suspense, where the battle is as much about enduring the mind games as it is about surviving the bullets.