East Anglia, 1645. Martha Hallybread, a midwife, healer and servant, has lived for more than four decades in her beloved coastal village of Cleftwater. Everyone knows Martha, but no one has ever heard her speak.
One bright morning, the peaceful atmosphere of Cleftwater is violently shattered and Martha becomes a silent witness to a witch hunt.
As a trusted member of the community, she is enlisted to search the bodies of the accused women for evidence. But whilst Martha wants to help her friends, she also harbours a dark secret that could cost her own freedom.
In desperation, she revives a wax witching doll that she inherited from her mother, in the hope that it will bring protection. But the doll's true powers are unknowable, the tide is turning, and time is running out .