When Toot Hansell’s water supply turns murky, it's easy to blame the notoriously soggy Yorkshire weather. But this winter, the rain's endless, the water's undrinkable, and the village is slowly turning into a marsh. The local water sprite, Nellie, could probably sort it all out—if she hadn't mysteriously vanished, leaving behind a battalion of furious geese, which are only adding to the problems. Now the only clean water in town is arriving in pricey bottles from Toot Hansell's new wellness guru, Lachlan Jameson. But the rising water isn't the only problem. People are disappearing, strange faces are appearing in the streams, and quicksand is starting to become a real concern.

The dragons and the ladies of the Women's Institute know this is more than a bit of inclement weather, and they're not going to stand by and watch their village drown. But the deeper they wade into the mystery, the murkier things get. Because something is lurking in the depths—and if the WI, the dragons, and one reluctantly off-the-books detective inspector don't get to the bottom of it soon, the whole valley might be swept away. This winter, it'll take tea, teamwork, and all the stubborn deviousness of ladies of a certain age to keep Toot Hansell from being washed off the map. . .