Read Cruise the Storm Storyline:
The Helena, an upmarket cruise ship sets sail for the Med. It is already in the Solent before the owners realise there are several members of a far right group aboard, and they might be aiming to hijack the ship, but they are sure that due to stringent security there can be no weapons aboard. They discuss matters with MI5, and one of their operatives agrees to board the ship in Spain, to monitor tPages of Cruise the Storm :