It is 15th March 1941. 2 nights ago Singers Factory in Clydebank was heavily bombed and the famous clock tower damaged, along with the factory itself. Last night the Germans bombed again. Hundreds were killed or injured and thousands homeless. Only 7 houses in the town remain undamaged. The intelligence services are expecting other targets to be hit tonight and believe there is a spy directing the bonbers. Who is the spy? That's for you to find out in this thrilling mystery drama.

After signing up you will receive a personalised link to view and engage with our mystery spy drama. Your personalised link will allow one connection to the event from one device, but you can take part as an individual or as a group watching together, subject to your local virus protection rules.

After watching our drama you will have the opportunity to view clues on line in your own time before returning to see and hear the interrogation of suspects.

Finally you will tell us who YOU think the spy is, why, and what the next target will be. The participant with the correct answers and best evidence will win a £15 Amazon voucher. In the event of a tie we will randomly choose a winner from among the best entries submitted.

The winner will be announced after the event, on our Facebook page. We'll also send the correct answers and reasoning by email to everyone who entered.

The technical stuff: You will need an internet connection capable of handling streamed video content. A minimum download speed of 2mb/s is recommended. You may watch and take part on any connected device such as a PC, tablet or smart phone. But we recommend a larger screen device to get the best experience. The video and other materials for this event will be available to you only at the advertised date and time. They will not be available for download or otherwise viewing outside this date and time.