A walker is found dead on a local baronet's land soon after he declares war on her rambling group for trespassing on his land. Eager to solve the crime, Agatha convinces James that they should pose as a married couple and go undercover in the victim's walking group.

Agatha springs into action when James's girlfriend Mary is found dead shortly before the village gardening competition.

Agatha and James spring into action when the local vet and village heartthrob is found dead, the day after he and Agatha went on a date.

Love is in the air for Agatha, but when a local mystic is found bludgeoned to death, she becomes embroiled in a most mysterious case.

The arrival of a handsome new curate causes a stir in the village, but when murder strikes, one of Agatha's friends becomes the prime suspect. As she works to clear her friend's name, Agatha's love life gets in the way of her investigation.

A scathing article in the paper harms Agatha's business, until Charles's wealthy friend hires the agency to investigate death threats against her daughter. After disaster strikes the daughter's engagement party, Agatha enrolls in dance lessons to try to outmaneuver the culprit.

The case grows more complex when a would-be assassin dies in Agatha's kitchen, but who was the target: him or Agatha? Toni continues her search for the missing dog, and Charles and Roy pull an all-nighter in the pub.

Agatha takes a relaxing trip to a traditional winter festival with her team to temporarily leave her troubles behind, but her plans are quickly derailed when a gruesome discovery leaves all of Carsely in the Cotswolds fearing for their safety.

Agatha takes a relaxing trip to a traditional winter festival with her team to temporarily leave her troubles behind, but her plans are quickly derailed when a gruesome discovery leaves all of Carsely in the Cotswolds fearing for their safety.