In this live-action adaptation of the beloved children's tale by  Dr. Seuss, the reclusive green Grinch (Jim Carrey) decides to ruin  Christmas for the cheery citizens of Whoville. Reluctantly joined by his  hapless dog, Max, the Grinch comes down from his mountaintop home and  sneaks into town to swipe everything  holiday-related from the Whos. However, the bitter grump finds a hitch  in his plans when he encounters the endearing Cindy Lou Who.