It’s been a quiet year for the Thursday Murder Club. Joyce is busy with table plans and first dances. Elizabeth is grieving. Ron is dealing with family troubles. And Ibrahim is still providing therapy to his favorite criminal. But when Elizabeth meets Nick, a wedding guest asking for her help, she finds that the thrill of the chase is ignited once again. And when Nick disappears without a trace, his cagey business partner becomes the gang’s next stop. It seems the duo has something valuable --- something worth killing for. Joyce’s daughter, Joanna, jumps into the fray to help the gang as they seek answers. Has someone kidnapped Nick? And what’s this uncrackable code they keep hearing about? Plunged back into action once more, can the four friends solve the puzzle and a murder in time?

Steve Wheeler is enjoying retired life. He still does the odd bit of investigation work, but he prefers his familiar routines: the pub quiz, his favorite bench, his cat waiting for him at home. His days of adventure are over. Adrenaline is daughter-in-law Amy’s job now. Amy Wheeler thinks adrenaline is good for the soul. Working in private security, every day is dangerous. She’s currently on a remote island protecting mega-bestselling author Rosie D’Antonio, until a dead body and a bag of money mean trouble in paradise. So she sends an SOS to the only person she trusts. As a thrilling race around the world begins, can Amy and Steve outrun and outsmart a killer?

It's rarely a quiet day for the Thursday Murder Club. Shocking news reaches them --- an old friend has been killed, and a dangerous package he was protecting has gone missing. The gang's search leads them into the antiques business, where the tricks of the trade are as old as the objects themselves. As they encounter drug dealers, art forgers and online fraudsters --- as well as heartache close to home --- Elizabeth, Joyce, Ron and Ibrahim have no idea whom to trust. With the body count rising, the clock ticking down, and trouble firmly on their tail, has their luck finally run out? And who will be the last devil to die?

It is an ordinary Thursday, and things finally should be returning to normal. Except trouble is never far away where the Thursday Murder Club is concerned. A decade-old cold case --- their favorite kind --- leads them to a local news legend and a murder with no body and no answers. Then a new foe pays Elizabeth a visit. Her mission? Kill or be killed. Suddenly the cold case has become red hot. While Elizabeth wrestles with her conscience (and a gun), Joyce, Ron and Ibrahim chase down the clues with help from old friends and new. But can the gang solve the mystery and save Elizabeth before the murderer strikes again?

Elizabeth, Joyce, Ron and Ibrahim --- the Thursday Murder Club --- are still riding high off their recent real-life murder case and are looking forward to a bit of peace and quiet at Cooper’s Chase, their posh retirement village. But they are out of luck. An unexpected visitor --- an old pal of Elizabeth’s (or perhaps more than just a pal?) --- arrives, desperate for her help. He has been accused of stealing diamonds worth millions from the wrong men, and he’s seriously on the lam. Then, as night follows day, the first body is found. But not the last. Elizabeth, Joyce, Ron and Ibrahim are up against a ruthless murderer who wouldn’t bat an eyelid at knocking off four septuagenarians. Can our four friends catch the killer before the killer catches them?

In a peaceful retirement village, four unlikely friends meet weekly in the Jigsaw Room to discuss unsolved crimes. Together they call themselves The Thursday Murder Club. When a local developer is found dead with a mysterious photograph left next to the body, the Thursday Murder Club suddenly find themselves in the middle of their first live case. As the bodies begin to pile up, can our unorthodox but brilliant gang catch the killer before it's too late?