This novel was an enjoyable read about the next bachelor that works for Bow Street. Alex Harland, Earl of Melton is a second son who received his title from the king for his work. A former soldier, Alex was injured and sees things differently then before. However, he never forgot the woman he danced with the night before he left for war. Emmy Danvers has a big secret that she has kept for years. She can never let Alex know how she feels and keep at a distance or he will figure everything out about her and her family. Emmy protects her family and will sacrifice herself if it means they stay safe. As Alex pursues the thief, Nightjar, Emmy fins herself more entwined with Alex. Alex cannot deny his attraction for Emmy, even though he suspects she is hiding things from him. As they play their game of cat and mouse, they fall in love. However, someone plans to ruin Emmy and her family. Alex must decide if he should follow his head or his heart.