Ep 4. The Wellspring of Death

Agatha Raisin, season 1 episode 4, titled "The Wellspring of Death," follows Agatha Raisin (Ashley Jensen), a middle-aged PR agent, as she investigates a series of mysterious deaths that seem to be connected to a local water bottling plant.

When the episode opens, we see Agatha at a party held by the water company, where she is given a bottle of their latest product, Querida. However, when a woman at the party collapses and dies after drinking the water, Agatha becomes suspicious and decides to investigate.

As Agatha delves deeper into the case, she discovers that several other people have died under similar circumstances, all after drinking the water. She starts to look into the plant's operations and uncovers a web of deceit and corruption.

Along the way, we see Agatha's personal life developing, as she continues to navigate her feelings for her neighbor, James Lacey (Jamie Glover).

The episode is filled with twists and turns, as Agatha gets closer to uncovering the truth about the deaths and the plant. It's a thrilling ride, with plenty of suspense and intrigue, as Agatha puts her wit and intelligence to the test to solve the case.

Overall, "The Wellspring of Death" is an excellent addition to the first season of Agatha Raisin. It's a well-crafted mystery, with strong performances from the cast, and keeps you on the edge of your seat throughout.