Segue o dia a dia de uma equipa de Agentes Especiais de Elite que opera fora da cadeia de comando militar. Liderada pelo Agente Especial Leroy Jethro Gibbs, um investigador hábil e duro que está disposto a contornar as regras para ver o trabalho feito, esta equipa muito unida viaja pelo mundo investigando tudo, desde homicídio e espionagem até terrorismo e rapto.

O Teatro do Pacífico da Segunda Guerra Mundial, visto através dos olhos de vários jovens fuzileiros.

In 2014, aliens revealed themselves to request trade with humanity. In exchange for limestone, they would provide a consciousness-controlled general-use robot known as an "Exoframe." Cheaper than an aircraft, tank, or firearm, and easy enough for anyone to operate, the "Exoframe" spreads change throughout the world in the blink of an eye...

Year 1944. Shortly before the start of the Crimean Offensive, the ships of the Soviet Black Sea Fleet and the Azov Naval Flotilla are in serious danger: German underwater commandos are preparing a large-scale operation to destroy the main combat units of the Soviet fleet in ports and roads. Aware of the seriousness of the threat, the Soviet command is developing an operation to detect and destroy the main base of the German underwater saboteurs.