The life of Sam Pinkett, a council employee, goes from bad to worse when, after witnessing a car accident, he answers a mobile phone found at the site.

Sam and Phil are sent in Nick Stevens' place to negotiate with Mr Lau, the kidnapper of his wife, Scarlett.

Sam and Lau agree to exchange their hostages, but Phil gets in the way. They manage to escape and take Scarlett back to her husband.

To get Scarlett and the police off their back, Sam and Phil must find a music box which was sold to a mysterious Russian exile.

After taking care of the wounded Marat, Sam and Phil agree to meet with the MI5 to hand them over Marat.

Chased by the MI5, Sam and Phil must warn Lizzie of the true nature of Reid's development plans.