In 2257, a taxi driver is unintentionally given the task of saving a young girl who is part of the key that will ensure the survival of humanity.

A family goes on a cruise but not all is what it seems. The next day they wake up with no memories of last night, which gets them in a LOT of trouble!

When a workaholic young executive, is left at the altar, she ends up on her Caribbean honeymoon cruise with the last person she ever expected: her estranged and equally workaholic father. The two depart as strangers, but over the course of a few hilarious adventures, a couple of umbrella-clad cocktails and a whole lot of soul-searching, they return with a renewed appreciation for family and life.

Captain Crowther's lot is not a happy one! Five of his crew have to be replaced and at such short notice before the voyage begins there isn't much to choose from. Not only does he get the five most incompetent shipmates ever to sail the seven seas, but the passengers turn out to be a rather strange bunch too. The SS Happy Wanderer will never be the same.