Through in-depth interviews with experts and family members, this investigative documentary series delves into the mysterious and tragic disappearance of a military submarine in 2017, a profound event that sent shockwaves across the globe. The series aims to uncover the truth behind the incident, shedding light on the untold stories and unanswered questions surrounding the submarines vanishing. As viewers piece together the clues and testimonies, they are taken on a suspenseful journey that will leave them both captivated and haunted by the unsettling developments and revelations that unfold.影评：这部纪录片深入挖掘了2017年一艘军用潜艇神秘失踪的背后故事，通过专家和家人的采访，揭示了这起事件的惊人细节，震撼世界的结果。观众们将跟随着纷繁的线索和证词，探寻真相的过程，一路上经历悬疑的旅程，揭示出愈发深奥的发展和意想不到的揭示，毫无疑问将让他们沉浸其中，感受到故事带来的震撼。