Maggie Fobes arrive to join the new unit on the day that Jenny Kenwright, a member of the team, is killed while investigating a Russian trawler anchored in the Estuary. While Fred avenges Jenny's death in a car and mouse game with the Russians, Maggie makes a mess of her first assignment - a run-of-the-mill adultery case.
When a cat burglar known as The Black Magic Man breaks into a Special Branch 'safe house' where two illegal immigrants are being held for questioning, Maggie finds herself on trial - but has to solve more than one mystery.
A death on a motorway leads Maggie and the Eyes team to a man on the run, in fear of his life - a devious plot involving the Chinese and forged bearer bonds.
Investigating the mysterious death of a man found floating in the river, Pru finds that an official 'block' has been put on the case. despite this, she exposes a secret CIA deal - and discovers who her friends are.
Is Flo's long dead husband still alive? Flo's thinks she has just seen him, but he was supposed to have perished in a submarine accident, forty years ago. Maggie is put on the case - and learns the hard way that old killers never die.
Clairvoyant Madame Crystal asks Pru to find the location of a 'vision' - a place where she is convinced she is going to die. Pru discovers that other people are searching for it - and that sometimes there really is a pot of gold at the rainbow's end.
When Fred is assigned to guard the priceless Strathmar pendant, awaiting the arrival of a rich client, the jewel turns out to be a red herring - and before the case is over, Fred begins to doubt her sanity.
Acting as 'best man' at a friend's registry office wedding. Fred stumbles across a marriage racket run by an unscrupulous organisation for Asian girls seeking EEC citizenship - she becomes even more alarmed when her Dutch 'boyfriend' is murdered,
President Mbotu, a newly-elected African leader, has a score to settle with General Standfast, Pru's father. Pru is sent to protect him, and her father learns for the first time of her real job. Meanwhile, Maggie exposes an insurance fraud.
A wealthy client asks the Eyes team to follow an ex-con with his daughter has become involved. Fred is assigned to follow her, and unmasks a blackmail operation based on clients' personal information stored into a computer.
Pru is asked to discover who stole an old Debussy manuscript from an exclusive piano emporium. She snares a young music buff - a member of a family of thieves who are not all harmless as he is.
When a woman client asks the Eyes team to follow her husband, it seemed a perfectly straightforward assignment. But it leads Maggie, Pru and Fred into dark and dangerous waters - and a case of murder.
When a black businessman finds some cocaine among a consignment of sugar he has imported from the Caribbean, it leads Maggie to a secret society from the island, whose voodoo magic becomes a threat to her life.