Terror in the Deep: a Tale of PulchraGea

After a terrorist cell called the Skull Syndicate executes four people for political reasons, Patrick Allen, King of PulchraGea, chases them down to the site of their next attack, the suboceanliner Coral Veranda. This time hundreds of lives are on the line, and there's no room for mistakes.
(A more serialized PulchraGea story with shorter parts for more frequent updates. Not necessarily canon.)