Amidst a storm, Finnegan and his crew, Joey and Leila, are hired by a group of mercenaries led by Hanover to pilot their boat across the South China Sea to an undisclosed location in the middle of the ocean. Meanwhile, the Argonautica, a luxury cruis...

Amidst a storm, Finnegan and his crew, Joey and Leila, are hired by a group of mercenaries led by Hanover to pilot their boat across the South China Sea to an undisclosed location in the middle of the ocean. Meanwhile, the Argonautica, a luxury cruise ship built and owned by Simon Canton, is undertaking its maiden voyage when a saboteur disables the ship's navigation and communication systems. A large object rises from beneath and collides with the vessel, leaving it dead in the water, while the panicking passengers are attacked by unseen creatures.