The King of Far Far Away has died and Shrek and Fiona are to become King & Queen. However, Shrek wants to return to his cozy swamp and live in peace and quiet, so when he finds out there is another heir to the throne, they set off to bring him back to rule the kingdom.

At a 1962 College, Dean Vernon Wormer is determined to expel the entire Delta Tau Chi Fraternity, but those troublemakers have other plans for him.

Construction worker Doug Kinney finds that the pressures of his working life, combined with his duties to his wife Laura and daughter Jennifer leaves him with little time for himself. However, he is approached by geneticist Dr. Owen Leeds, who offers Doug a rather unusual solution to his problems: cloning.