A passenger is stabbed to death on the express bus to Honore. Jack and his team are baffled by the case though as no-one left their seat on the bus - so how on earth did they commit the murder?
The unit is stunned when DI Martha Bellamy is murdered in her own home. DCI Daniel Drummond leads the investigation, bringing in officers from Major Crimes to help - but someone knows more than they are letting on.
一晃十年过去，地球人和虫族的战争如火如荼，愈演愈烈。某日，空军元帅奥玛•阿诺克（斯蒂芬•霍根 Stephen Hogan 饰）来地球人的远方农场罗库山视察，时任上校的强尼•瑞克（加斯帕•范•迪恩 Casper Van Dien 饰）也一同前来。在此期间，阿诺克的心智被虫王操控，他切断了隔离区的电力，使基地完全失去保护。是夜，虫族对隔离区发动总攻，地球军虽顽强抵抗，终因寡不敌众而告败，基地陷落。阿诺克则和一干心腹逃离，飞船迫降在OM-1行星。
瑞克因失职被军事法庭判处绞刑，行刑之际被政府秘密部门救下。阿诺克
