The USS Triton sets out on a mission to explore a region of the Swallow Nebula enveloped in a mysterious energy field that disrupts sensors. This newly discovered phenomenon is rumored to be impenetrable and locals avoid it at all costs. Intrigued to explore its perimeter, the Triton begins its study but is somehow pulled into it. Inside, the crew discovers a hidden ecosystem brimming with life forms unlike any they’ve encountered before. As the crew investigates, they uncover the reasons why so many avoid it, and their chances of escaping seem almost hopeless.