Detective sergeant Stephen Tree is harboring a dark secret that could end his career. His badge means everything to this quick-witted cop, so he hopes that a lifetime of atonement will balance the karmic books and let him sleep at night. Right?... Meanwhile, a new crime arises and he's soon addicted to another hot case: a whistle-blower in the military turns up dead after exposing a shameful incident. With mounting pressure from his lieutenant and spiraling attraction to Dr. Laura Wing, the criminal psychiatrist, Tree must dodge an internal investigation while cracking the military's code of honor. ...Tripping Wire - Do Not Cross ( Tripping the Wire: A Stephen Tree Mystery )