A scuba diving instructor, her biochemist boyfriend, and her police chief ex-husband try to link a series of bizarre deaths to a mutant strain of piranha fish whose lair is a sunken freighter ship off a Caribbean island resort.

A group of people from different backgrounds have one thing in common: when they hear the world “gumball” whispered by one of the others, they know that it’s time for the Gumball Rally: a no-holds barred, secret, winner-take-all rally across the USA.

Londo Mollari, the Centauri Emperor, recounts the initial contact between the Humans and Minbari, which resulted in a major incident and subsequent war, for an eager pair of youngsters wanting a story about love and conflict.