The action heats up-and so does the temperature- for Manny, Sid, Diego, and Scrat. Trying to escape the valley to avoid a flood of trouble , the comical creatures embark on a hilarious journey across the thawing landscape and meet Ellie, a female woolly mammoth who melts Manny's heart.

These are the true events of November 1965, in the a Drang Valley of Vietnam, a place our country does not remember, in a war it does not understand. This story is a testament to the young Americans who died in the Valley of Death, and a tribute to the young men of the People's army of Vietnam who died by our hand in that place.