Not long after Isabel "Izzy" Chambers opens up a knitting shop in the sleepy fishing town of Sea Harbor, Massachusetts, a diverse group of women begins congregating each week to form the Seaside Knitters. Izzy raises some eyebrows when she rents the apartment above her shop to Angie Archer, whose reputation for loose behavior and a quick temper has made her unpopular with many locals. But could any of them have wanted her dead? Angie's body is discovered drowned in the harbor, her long red hair tangled like seaweed in a lobster trap.

After retrieving fresh lobster nets from a local laundromat, Cass Halloran rushes to attend a last-minute gathering with her knitting circle. But Cass can't stop worrying about the lonely boy she saw hanging around the dryers and the school uniform he left behind in a hurry. When she and her friends return the lost clothing the next day, they find the child and his younger sister alone, seemingly abandoned by their mother.

A dead body on a carnival float at the village show. A clear case of murder in plain sight, thinks new arrival Sophie Sayers - but why do none of the villagers agree? What dark secrets are they hiding to prevent her unmasking the murderer, and who holds the key to the mystery?

Samson O'Brien has been dismissed from the police force and returns to his hometown of Bruncliffe in the Yorkshire Dales to set up the Dales Detective Agency while he fights to clear his name. However, the people of Bruncliffe aren't that welcoming to a man they see as trouble. Delilah Metcalfe, meanwhile, is struggling to keep her business, the Dales Dating Agency, afloat - as well as trying to control her wayward Weimaraner dog, Tolpuddle. Then when Samson gets his first case, investigating the supposed suicide of a local man, things take an unexpected turn.

A small town with big secrets. A neighbor who bites. A librarian who can shoot blue lightning from her hands. Plus a house with a mind of its own. Welcome to Wisteria.