Strasbourg, 1518. In the midst of a blisteringly hot summer, a lone woman begins to dance in the city square. She dances for days without pause, and as she is joined by hundreds of others, the authorities declare an emergency: musicians will be brought in to play the Devil out of these women.Beyond the city, pregnant Lisbet tends the bees that are her livelihood. And then, as the dancing plague gathers momentum, Lisbet's sister-in-law Nethe returns from seven years' penance in the mountains for a crime no one will name.As the city buckles under the beat of a thousand feet, Lisbet finds herself thrust into a dangerous web of deceit and clandestine passion, but she is dancing to a dangerous tune . . .