The forgotten children of London are going missing, apparently being sold by their own families. Can Flora save them before it's too late...

Flora Maguire's life is perfect – a beautiful home in Belgravia teeming with servants, a loving husband, and new baby Arthur to enjoy. But when she is invited to tour St Philomena's Children's Hospital in deprived Southwark, she gets a harsh insight into the darker side of Edwardian London.

Shocked by the conditions people are living in, she soon uncovers a scandal with a dark heart – children are going missing from the hospital, apparently sold by their own families, and their fate is too awful to imagine. With the police seemingly unable or unwilling to investigate, Flora teams up with the matron of the hospital, Alice Finch, to try to get to the bottom of it.

Soon Flora is immersed in the seedy, dangerous underbelly of criminal London, and time is running out to save the children. Will they get to them in time, or was their fate decided the day they were born poor...