A further collection of tales from the Special Air Police.

• The case of the man on the spot - Biggles comes to the aid of a man who's wife is kidnapped.
• The case of the submerged aircraft - The discovery of a lost plane sunk in a Scottish loch helps track down a wanted murderer.
• The case of the sabotaged parachute - An ex-servicemen helps discover a missing French thief after half his parachute is found in his field.
• Mission Oriental - Biggles flies to Asia to rescue a Sultan, and averts the uprising that was causing him to flee.
• The case of the haunted island - Biggles heads to the South Pacific to investigate a haunting and uncovers some dodgy salvage deals.
• The case of the ambituous fishmonger - The team close down a salmon smuggling operation from Scotland
• The case of the fatal ruby - Biggles stops a known thief stealing a cursed gemstone.
• Fishy business - Biggles uncovers a plot smuggling stolen furs inside fish.
• Biggles lays a ghost - Stories about a ghost plane lead Biggles to discover a mad inventor and a new type of cinema projection.
• Mischief by moonlight - An ex squadron member helps Biggles crack a smuggling operation in Suffolk.
• The case of the stolen truck - Biggles helps Gaskin capture a stolen truck by joining the search from the air.