Knight of Penn Quarter (Knights of the Castle)

Following an undercover FBI sting operation that didn't go as planned, Agent Mateo Lopez is ready to put the government agency in his rearview mirror.

A confirmed workaholic, his career soared at the cost of his love life which had crashed and burned until mutual friends arranged a date with beautiful, sharp-witted, Rachel Jordan, a rising star at a children's social services agency.

Unlucky in love, Rachel has sworn off romantic relationships, but Mateo finds himself falling for her in more ways than one. When trouble brews in one of Rachel's cases, he does everything in his power to keep her safe-even if it means resorting to extreme measures.

Will the choices they make bring them closer together or cost them their lives?