Caz's dream vacation aboard the RMS Atlantica with her new partner Pete quickly turns into a nightmarish odyssey when she awakens to find the cruise ship deserted. With Pete missing, and no soul in sight, Caz must unravel the mysteries that the empty vessel harbors. As the liner continues its ghostly voyage through the mid-Atlantic, Caz confronts a series of chilling revelations and threats to her survival in this gripping locked-room thriller that will test the limits of trust and family bonds.