Kyle Mattocks

A former Navy officer's girlfriend is kidnapped, and demands are made for classified intelligence. Deeks accidentally breaks one of Hetty's rules.

Willis and Campbell travel to a Russian submarine to treat a sailor who has been wounded in an explosion; the staff at Angels Memorial treats violent criminals who got injured during a prison riot.

S.H.I.E.L.D. puts everything on the line to survive a war that blurs the line between friend and foe. Coulson and his team will be forced to make shocking sacrifices that will leave their relationships and their world changed forever.