Modern day: following a breakdown, Rose Crawford retreats to a quiet village. Discovering an old family tree and intrigued by their similar name, she is drawn to a woman named Rosie Crow who died young. As curiosity pervades her, Rose feels herself settling into a new skin, reconnecting with a latent love of storytelling. 19th Century Norfolk: Rosie Crow is spirited, illiterate and deeply connected to the land. She longs to communicate the stories she believes the river tells her but when worsening rural poverty stirs up disquiet, her differences – combined with entrenched witchcraft superstition – become the catalyst for devastating consequences.