The greatest fairy tale never told continues when Shrek (Mike Myers) embarks on another whirlwind adventure with Donkey (Eddie Murphy) and Puss In Boots (Antonio Banderas) to find the rightful heir to the throne. Meet the magical misguided Merlin (Eric Idle), an awkward Arthur (Justin Timberlake), and a powerful posse of princesses in a tale where everyone lives happily ever laughter