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After receiving a scolding, Rex confides in Charlie, who plants the idea of leaving the palace. Excited by the notion of adventure, Rex decides to sneak out with Charlie to experience the world beyond the palace walls. The two corgis' daring escape quickly leads to a series of misadventures, from nearly getting hit by traffic to being chased by geese, as Rex realizes that life outside is far more daunting than he had imagined.
Betrayal and Capture
Just when Rex thinks he is on his way back home, he faces betrayal from Charlie, who pushes him into a frozen lake, revealing a sinister desire to become the new top dog. Miraculously, Rex is saved by a kind stranger and finds himself recuperating at a veterinary clinic, only to be misclassified as a street dog and sent to an animal shelter.