His Captive Behind Locked Doors by Adrian Vale

Isabella Romano becomes the prisoner of Adrian Valenti, a feared man whose locked estate hides dangerous secrets. Furious at her captivity, she fights for freedom while uncovering the truth behind his brutal world—and the enemies who want her dead. As fear turns into forbidden attraction, Isabella must decide whether Adrian is her greatest danger or her only chance to survive. His Captive Behind Locked Doors is a dark, intense romance of captivity, betrayal, obsession, and love that can exist only when freedom is finally restored.