Their last mission wasn't on the battlefield.

Thirty years after serving together in the Vietnam War, Larry, Sal and Richard, reunite for a different type of mission: to bury Doc's son, a young Marine killed in Iraq. Forgoing the burial, the trio take the casket on a bittersweet trip up the coast to New Hampshire - along the way, reminiscing and coming to terms with the shared memories of a war that continues to shape their lives.