Ever since Angus was a wee baby monster, living below the surface of Loch Ness, his parents tried to teach him to be a proper monster. But as Angus grows bigger, he gets sloppy. Puggy-nit shells (peanuts) are piling up; his grottie (dirty) laundry is in a heap; tatties (potatoes) litter the floor. It's a mountain of a mess! And as Angus's trash heap grows, pushing him away from the comforts of home, a surprising Loch Ness sighting of his own awaits...