Tempest and his crew with the help of Dougal (John Harvey) are trying to get David MacGregor (Charles Houston) off of Prisoner’s Island (where they have been transported to) to Port Royal where he can plead the Scot’s case. Marsh (Alfred Burke) is in charge and intends on hanging David. The “Instruments of War” are bagpipes used to call other Scots to battle. Also stars Andrew Keir as David’s father (The Laird), Gay Cameron as Sheila, his girlfriend and Dennis Edwards as Second Guard.