Jim Raikes is released from jail. Insp. Frant gives him the chance to earn £50 a week. Along with Sandra Montgomery and Walter Dunn he has to join the syndicate. They demonstrate their skills, for Hendrix, but Dunn is found out and killed
Insp. Frant tells Raikes that Dunn worked for a third party. The Syndicate put Raikes on Plan A but Marcus veto's the idea. Raikes, then, witnesses Hendrix kill Marcus with a blow dart. Sandra is installs a camera for another party.
The Syndicate expect Jim Raikes and Sandra to prove themselves by breaking into Dyberg's home. After taking the diamonds Raikes, discovers a ladder heading to the loft. He finds a door, at the top, receiving a massive electric shock.
Raikes is injured try to get in to Diberg's. Sandra is followed to a rendezvous with Rawlings. Hendrix invites them to house for the weekend. The pair work to find who the other guests are. Ruth Woodward becomes a person of interest.
Insp. Frant discovers the Assistant Commissioner Rider is the head of the Syndicate. Raikes finds Sandra using the radio and asks her to let him join forces. Her boss, Barnton tells Raikes to let the operation succeed to the next level.
Frant is murdered and the Embassy diamond robbery brought forward. Nobody is allowed to leave the house. Sandra learns Tin Tock are working with the Foreign Embassy and needs a plan. Fraikes cover is blown and he now heading to his death.
