The Dance Tree - Kiran Millwood Hargrave

Lisbet is pregnant, and frightened she will lose this child, too, when the arrival of a stranger upends her world, and promises to change her understanding of love forever.

Ida's life seems simple - she is married, her family fully formed - but a buried secret threatens to destroy her peaceful existence. Nethe has just returned from years in exile, punishment for a crime no one will name. As a mysterious dance plague takes hold of the city of Strasbourg, all three women become entangled in a web of deceit and clandestine passion that has them dancing to a dangerous tune.