When Helen embarks on a passionate affair with a man who has no idea what her secret identity is her carefully constructed web of subterfuge is endangered. Caught in the crosshairs when her lover falls victim to the dangerous and shadowy London underworld, Helen’s employer’s call in Sam to protect her.

Set over Christmas, against the backdrop of rising diplomatic tensions, in a heightened world with wit, flair and high-stakes action sequences, Black Doves is the story of two old friends coming back together, finding trust in one another in a world where trust can get you killed and, ultimately, changing the course of each other’s lives forever.