Ep 22. The Long Goodbye

Whilst holidaying in Scotland, Danny and Brett stumble across the corpse of a man killed when his small light aircraft crashed. They also find some papers he was carrying which contain details of a secret formula. It transpires the formula - whatever it may be - is highly sought after and soon Danny and Brett become the targets of people determined to seize it. This episode co-stars Nicola Paget and Peter Sallis.