Graphite by H.Q. Frost

The Duke now has his son so the Carbon Estate can rest easy. Except for that line in the marriage contract he signed. The line that said he will be sentenced to death if his wife leaves him. Callum’s days are numbered and he has to come to terms with he won’t live to see his son become a man.
But neither will Mag.
When she becomes a pawn on the Carbon chessboard, pieces will fall, including her if she’s not careful. Money buys treachery and his Great Grandmother will take down every player on her board that isn’t an asset to the Carbons. No matter who they are.
Fatherhood may have changed Callum, but he’ll never be the man Mag needs. It’s not too late to protect his family before he’s sentenced to death, but unwilling and spiteful, Mag makes the task harder than he planned for. Bargains are made, lives are ruined, but the Duchess will be safe. Even if it’s against her will.
Love is unforgiving, even for Callum Carbon.