Season 5

Shady dealings and a duplicitious accountant put studio head Wayne Douglas and his new Oriental actress Lin in peril.

Returning from a party the adopted daughter of Colonel Paxton and her boyfriend are surprised by an intruder. The colonel, however, instantly remembers him as a war comrade.

Alan Roper is an intelligent young man on the fringes of big time crime. With his partner-in-crime, Lea, and his girlfriend Pat, he's planning his biggest job yet - the robbery of a betting shop owned by a man he hates.

Harold Crossley is a barrister and respected intellectual, but proves no match to his scheming young wife.

Big-time racketeer Joe Armstrong is deported back to Great Britain from America to find himself facing a murder rap for a killing he had committed twenty years before.

Alva Collins is the attractive wife of a captain in a civil airline. She is neurotic, vicious and unstable but only her brother knows that she is a hopeless psychopath whose condition can only deteriorate.

A publisher is nearly framed for murder, but he appears to have been goaded by the blackmailer who has also blackmailed the publisher's wife.

A happily married couple plan a vacation in the city to see several stage plays, as the wife is an ex-actress. They arrange to temporarily swap residences with an older couple who want to visit the country. The older couple are actually part of a team of antiques thieves but are interrupted by a friend of the actress-wife. When the cottage couple find there is no city residence, and are told they are probably being robbed, they return home to find everything intact....except their pets and plants were poisoned. Someone seems to be taking advantage of the situation to upset their lives.

In prison, two inmates are getting out soon. One, soon getting out, has been sent up for a heist of several thousand pounds, still not recovered. The other, getting out before him, pumps the other for details of his home life, so he he can assume the other's identity and get to the loot first.

Top surgeon Philip Teasdale plans to use his medical skills to bump off his wife's lover, but reckons without the greedy private detective he originally hired to prove him a cuckold

A disgraced ex-RAF pilot is enlisted into a smuggling scheme by an electronically sophisticated smuggler, who has a room full of computers and recording devices. The pilot is to take stolen diamonds from across the Channel, but he plans a carefully crafted double cross instead.