Memories are short on HMS Royston - they have to be.

As mother ship to a battered, war-torn bunch of MTBs she must carry out her vital role whatever the conditions, whatever the risk.

Sub-Lieutenant Royce is newly assigned to MTB 1991, joining a crew already seasoned by death and fear.

Now with only three months' sea-experience behind him, Royce must learn the job the hard way - in the tough school of combat.