Shrek celebrates Halloween with his friends, Puss in Boots is sent on a mission to recover a stolen ruby, and the gang competes in a singing contest.

When Halloween arrives, Shrek challenges the gang to spend the night in Lord Farquaad's haunted castle telling spooky stories.

After Puss in Boots is captured by soldiers, he is enlisted to recover a priceless ruby stolen by the notorious villain known as the Whisperer.

Puss in Boots, Donkey and the rest of the Far Far Away kingdom battle it out in a singers' showdown.