Four years ago, Abigail Owen made a desperate decision in search for money.She spent one night with a stranger. She never saw his face nor knew his name.The only prove that that night happened was the child it left her with. Now, struggling to rebuild her life, Iris lands a job as a secretary at Mòn Cliff industry, a decade long diamond industry that is ranked one of the best in the world.And her boss? Alexander Black, he's cold, commanding, and achingly familiar.Alexander has spent years searching for the woman whose scent still haunts him, for some reason ever since that night, he never slept peacefully, any other woman that made an attempt to get close to him repulsed him.When the truth shatters the walls between them, secrets buried deep begin to rise.And some nights never truly end.For one, She was his mystery and for the other he was her mistake.But fate seemed to have other plans for them.