Shrek, Fiona, and Donkey set off to Far, Far Away to meet Fiona's mother and father, the Queen and King, who are shocked to discover Fiona has married an ogre— and became one herself. But when the Fairy Godmother discovers that Fiona has married Shrek instead of her son Prince Charming as King Harold had promised, she plots to destroy their marriage and replace Shrek with her son Charming.