For the first time on television, five famous personalities will join volunteer police officers, working for one of the UK's most active police forces, as they discover what it's like. 39 is to be really modern police.

The surnames will work alongside Cambridge gendarmerie officers who will witness crimes committed in Cambridgeshire and Peterborough.

Loose Women star Katie Piper, Loose Women star Penny Lancaster, Made in Chelsea's Jamie Laing, Gogglebox's Sandi Bogle, and comedian Marcus Brigstocke

The new blockbuster series, Famous and Fighting Crime, is composed of four episodes and will air on television on Monday, February 11 at 9 pm on Channel 4.

Jamie Laing, Sandi Bogle, Penny Lancaster, Marcus Brigstocke and Katie Piper were ready to play on Channel 4.

During the working hours, they will have to answer 999 real calls; work in detention; and even CID; as well as taking part in high-risk drug raids and maintaining order in rowdy downtowns over the weekend.

With steadily rising crime figures and declining budgets, police forces across the country are relying on an army of 12,000 volunteer officers, called special police officers.

Officers have all the powers of an officer under mandate, but do the work in their spare time to help their local community.

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Drug-related crime in Cambridgeshire

In the first episode, the grueling training of the first day forces Penny Lancaster to face the demons of her past and is a rude awakening for all the others of the dangers they face. But nothing really prepares them for their first shift.

Once a victim of a horrific crime herself, Katie Piper strives to overcome her fears, while Jamie Laing takes on the challenge of bringing down a potentially dangerous suspect. And Penny risks her life by running after a thief.

* The four episode series will begin on television on Monday, February 11 at 9 pm on Channel 4.