Elizabeth and cabinet members brace themselves as President Dalton prepares for a retaliatory nuclear attack on a country that has reportedly just launched missiles bound for the US.
A chef and his patrons are poisoned after consuming a menu item tainted with snake venom. Detective Bell's crush on a colleague leads Holmes to a realisation about his relationship with Fiona.
Velasco asks Benson for help finding three girls who were trafficked from his home town to New York City.
Abe's colleagues must defend and reluctantly prosecute him, when he is arrested and court-martialled for mutiny in regard to a 2010 mission in Afghanistan where he was one of the only survivors.