On SS Horizon, an exploration mission turns into a nightmare. An imposter infiltrates the crew, sparking suspicion and betrayal. Amelia, a scientist, fights to uncover the truth. Friendships crumble as the imposter takes its toll. Finally confronting the imposter, Amelia's heart breaks—someone she trusted. The shattered unity and lost trust haunt them. Determined, Amelia carries the burden, seeking to honor her fallen crewmates and rebuild trust.