Rex is half human and half dog. He was conceived when his human father (a drunken Dirty Old Man on the street) raped his female dog mother. His disturbing heritage has led to Rex living a life rejected by all of society, with most of his days spent in hiding. To sate Rex's desire for revenge, he is going to find his father... and he's going to RAPE HIM.
Along the way, Rex encounters other social outcasts with superhuman abilities just like him, in his quest to...well, you know...