Super Sons Dynomutt Special #1 Var Ed

Its no fun for Jon Kent to be visiting Big City with his parents for the funeral of an old friend. So his best pal Damian Wayne decides to follow along and give him the inside scoop on the city. But when they go to meet Robins local friend, Dynomutt, they find him injured and in need of help. And Dynomutts human superhero companion, Blue Falcon, has seemingly turned evil. Whats the reason for this betrayal between once-loyal companions, and what role might the evil Red Vulture play in this scenario?