Part 4/10:
With no reception and uncertainty looming overhead, the group debates whether to swim to safety or wait for rescuers. Brandon, taking on the role of a leader, reassures them about their chances, though his optimism seems to dwindle when they discover that backup oxygen tanks are empty. As desperation sets in, they realize that another passenger had a medical oxygen tank onboard. Brandon heroically volunteers to retrieve it, unaware of the lurking predator in the water.