The Most Exciting Series Returns To Complete Its Events Through Season 12. Dr. Mallard He And The Bishop Travel To England In Search Of Answers To Find Out Why The Englishman Who Was Killed In The United States May Have A List Of Dead Naval Men. On The Other Hand, Gibbs And His Team Are Starting To Look For The Woman Who Was The Former Victim Of Research In Russia To Find Out Who Is Behind The Crime Of Cutting Off A Scientist`s Head With A Throttle Device In A Garden. Investigators May Discover He Might Be A Common Enemy.