A unit of new recruits leave their families and face their terrifying first tour of duty.

Bo is thrown into the path of his estranged father, and the unit are faced with an explosive roadblock to patrol.

Nobody knows what to do with the unit's rebel prisoner, and amputee Bo goes off morphine. He's desperate to fight against something, so it might as well be pain.

The unit suspects a family man of being an insurgent. Should they kill him and risk getting it wrong?

When a war correspondent videos an Iraqi child and his mother being gunned down, Smoke's under military investigation.

The fire team tries to rescue a kidnapped journalist; a bounty is on Smoke's head.