The Welsh Marches, 1301. Strong-willed heiress Johane de Geneville is married to Richard Mortimer, Earl of March, at just fifteen years old. Soon Johane finds herself swept up in a world of treacherous court politics and dangerous secrets as her husband deposes Edward II and rules England alongside Queen Isabella. Yet when Richard is accused of treason, she is robbed of her freedom and must survive catastrophic events in her fight for justice - with her life, and her children's, hanging in the balance. Will she pay for her husband's mistakes, or will she manage to escape from a terrible fate?