For Jimmy Smith, Jr., life is a daily fight just to keep hope alive. Feeding his dreams in Detroit's vibrant music scene, Jimmy wages an extraordinary personal struggle to find his own voice - and earn a place in a world where rhymes rule, legends are born and every moment… is another chance.
When his father caught his 12-year-old son masturbating over a pornographic magazine, he does not punish him but he states: "If you do this fifty times - you will die".
Manny the mammoth, Sid the loquacious sloth, and Diego the sabre-toothed tiger go on a comical quest to return a human baby back to his father, across a world on the brink of an ice age.