When a son of a gangster shark boss is accidentally killed while on the hunt, his would-be prey and his vegetarian brother both decide to use the incident to their own advantage. The sea underworld is shaken up when the son of the shark mob boss is found dead and a young fish named Oscar is found at the scene. Being a bottom feeder, Oscar takes advantage of the situation and makes himself look like he killed the finned mobster. Oscar soon comes to realize that his claim may have serious consequences.

After his swamp is filled with magical creatures, Shrek agrees to rescue Princess Fiona for a villainous lord in order to get his land back. When a green ogre named Shrek discovers his swamp has been 'swamped' with all sorts of fairytale creatures by the scheming Lord Farquaad, Shrek sets out with a very loud donkey by his side to 'persuade' Farquaad to give Shrek his swamp back. Instead, a deal is made. Farquaad, who wants to become the King, sends Shrek to rescue Princess Fiona, who is awaiting her true love in a tower guarded by a fire-breathing dragon. But once they head back with Fiona, it starts to become apparent that not only does Shrek, an ugly ogre, begin to fall in love with the lovely princess, but Fiona is also hiding a huge secret.