In a hushed Vatican reading room, the scene was shocking: a crazed professor shot dead after brandishing evidence of a grisly crime. Moments later, two bodies are found in a nearby church, each with a gruesome calling card from the killer.

When a well-known British TV historian, Marmaduke Godolphin, is found murdered in the canals of Venice during carnival, stabbed by a stiletto blade, the Venetian police are eager to have the case solved and cleared up within a day—murder is bad for tourism! The police recruit the help of retired archivist, Arnold Clover. Godolphin had hired his services on arriving in Venice to help sort through some historical papers of note. These dusty documents may contain previously unknown information about the assassination of the murderer, Lorenzino de' Medici, 500 years previously.

The Palazzo Colombina is home to the Uccello family: three generations of men, trapped together in the dusty palace on Venice's Grand Canal. Awkward 15-year-old Nico. His distant, business-focused father. And his beloved grandfather, Paolo. Paolo is dying. But before he passes, he has secrets he's waited his whole life to share.

Crimebusting duo DI Jackman and DS Evans are back, solving another crime that will make your skin crawl. Twenty years ago: a farmer and his wife are cut to pieces by a ruthless serial killer. Now: a woman is viciously stabbed to death in the upmarket kitchen of her beautiful house on the edge of the marshes. Then a man called Daniel Kinder walks into Saltern police station and confesses to the murder. But DI Rowan Jackman and DS Marie Evans of the Fenland Constabulary soon discover that there is a lot more to Daniel than meets the eye.

Nobel Prize-winning scientist Sarah Collier has taken a step back from work to spend more time with her family. Movie nights with her husband Daniel and their daughter Maddie are a welcome respite from the scrutiny of the world’s press. As much as it hurts, it’s good to be able to see her father more too. He’s suffering from Alzheimer’s and needs special care. Sarah has started to show tell-tale signs of the disease too. She’s been experiencing blackouts and memory loss. It’s early days but she must face the possibility that she won’t be there to see her daughter grow up.