Duke by Day, Rogue by Night (The Nelson's Tea Series Book 1)

Constance Danbury is desperate to escape an arranged marriage to a man nearly twice her age. Her only hope is to board a merchantman bound for Spain to enlist her aunt's help. Her plans go awry when she€s captured by pirates. Even more alarming, her traitorous body longs for the man who€s returning her to England! Pushed into a marriage of convenience, she€s caught between two men€"one owns her heart, the other is bent on stealing it.
Percival Avery is a member of Nelson's Tea, an elite group assigned to protect England's shores at any cost. On a mission to avenge his sister€s death, Percy infiltrates the gang of cutthroats responsible. When his vessel attacks a merchantman, Percy must choose between vengeance and saving the life of his commander's niece. His only choice is to mutiny, but mutiny obliterates his well-laid plans. Forced on a new course that leads straight back to Constance Danbury, Percy has to make a decision€"chase revenge or allow himself to love again.