: Robert's daughter, caught in the wreckage with her fiancé.
: A former firefighter and New York City mayor searching for his daughter.
The story begins on New Year's Eve aboard the luxury ocean liner RMS Poseidon . As passengers celebrate in the grand ballroom, a massive "rogue wave"—a real-world maritime phenomenon—strikes the ship, capsizing it in the middle of the North Atlantic.
: A professional gambler who relies on his survival instincts.