Calla's Cruise is a Traveller one-shot scenario for 1-5 players. Designed to be played in a single session, the PCs find themselves working bodyguard on a doomed space-liner. A massive star-ship, a liner, carries the Baroness Calla and her entourage to the astounding twin-suns of Lylle. Secreted among the passengers are a blood thirsty and heavily armed band of killers ready to target the Baroness. The PCs are all that stands between the killers and the life of everyone on board. - publishers blurb