Since his arrival at Buckingham palace, Rex lives a life of luxury. Top dog, he has superseded his three fellow Corgis in Her Majesty’s heart. His arrogance can be quite irritating. When he causes a diplomatic incident during an official dinner with the President of the United States, he falls into disgrace. Betrayed by one of his peers, Rex becomes a stray dog in the streets of London. How can he redeem himself? In love, he will find the resources to surpass himself in the face of great danger…

The Caped Crusader is teamed up with Blue Beetle, Green Arrow, Aquaman and countless others in his quest to uphold justice.