Andy Van Allen, former hero of a cult 80s futuristic TV show Children of Castor, is now working as a hotel porter. When Andy recieves an ususual offer - the Children of Castor fan club organising a cruise around the Greek islands with him as the prinicipal celebrity - a combination of Andy's cynicism, his fans' adoration, a misguided sexual encounter and an unexpected reunion with his more famous co-star, Nick Lee, ensure the paradise cruise is far from plain sailing.

A stowaway sneaks aboard a ship departing on a cruise down the Vistula River. The captain takes him for a Communist Party cultural coordinator and the intruder gladly adapts to his new role, immediately setting to work at manipulating the passengers and crew into silly and vaguely humiliating games. Before long, Tym has got everyone under his thumb and created his own comedic dictatorship.

Jealousy is a reasonable indication of love and expressions of interest for the other half. But when it exceeds the reasonable limits, is suffering for both. Typical is the case of a jealous wife who during a cruise in the Mediterranean, will upset everyone with her antics.

On its last leg homeward, from Pearl Harbour (Hawaii) to San Diego, the USS Constellation hosts a jolly 'tiger cruise' for USNavy, Marines and USNAF relatives, mainly minors ('Navy brats'). Attitudes and emotions vary from simple joy to open frustration, the worst brat being XO commander Gary Dolan's daughter Maddie, who wants him to refuse a promotion to command for a shore job. Then the news of the WCC terror crisis changes everything, as the crew is recalled to war footing.

Two British beauties go to Barbados with a yacht captain who does not know what he's in for.

A rich and extravagant Scottish Baron spends his time on outrageous cruise ships amongst romantic couples, wealthy families, hardworking staff and retired elderly. A floating micro-society appealing to some, revolting to others.

Actor Errol Flynn takes a group of scientists from the California Institute of Oceanography on an expedition to the South Seas aboard his schooner, The Zaca.

The varied and important services of the U.S. Coast Guard are glimpsed. They warn ships of dangerous shoals, keep sea lanes open with icebreakers, face gale and hurricane to accurately forecast the weather in remote areas of the Atlantic and Pacific, and perform rescue services to ships and downed aircraft.

The best workers from various factories in the communist system are rewarded a cruise on the Danube. The people in charge fight for bureaucratic reasons while the young ones are looking for adventure.

The approaching baptism of his ex-wife's new baby destroys Antti's ability to function and puts him in catatonic state. Tuomas and Nippe take action to cheer him up and decide to take him on a singles cruise.