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London, 1833

Doctress Hester Reeves has been offered a life-changing commission.

But it comes at a price. She must leave behind her husband and their canal-side home in Kings Cross and move to Tall Trees – a dark and foreboding house in Fitzrovia.

If Hester can cure the ailing health of its owner, Gervaise Cherville, she will receive payment that will bring her everything she could dream of.

But on arriving at Tall Trees, Hester quickly discovers that an even bigger task awaits her. Now she must unearth secrets that have lain hidden for decades – including one that will leave Hester’s own life forever changed…