Plot: This is about the adventure of Rex (Jack Whitehall), the British monarch's (Dame Julie Walters') most beloved dog, who loses track of his mistress and stumbles across a clan with dogs of all kinds confronting and fighting each other. During his epic journey to return to the Queen, Rex falls in love and discovers his true self.
Alternative Plot: When the queen's favorite dog, Rex, becomes lost, he must make new friends and embrace new adventures to find his way back to the palace.
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