A boy with an active imagination faces his fears on an unforgettable journey through the night with his new friend: a giant, smiling creature named Dark.

After years of being sheltered from the human world, the Turtle brothers set out to win the hearts of New Yorkers and be accepted as normal teenagers through heroic acts. Their new friend April O'Neil helps them take on a mysterious crime syndicate, but they soon get in over their heads when an army of mutants is unleashed upon them.

A determined boy accepts a king's challenge to perform three impossible tasks in exchange for a magical elephant — and the chance to chase his destiny.