The Captain of Her Fate (The Other Bennet Sisters #1)
Nina Mason

Louisa Bennet finds Theo incredibly attractive—both as a man in his own right and as an alternative to the odious cousin her heartless father has arranged for her to marry.
First, however, she must convince the Captain her interest in him stems from the man he is, scars and all, and not on his being the lesser of evils . . .