The police suspect Philip Long of multiple murders. Murders he did not commit. But the people Philip loves most are dead and his secrets could be to blame. Lieutenant Wilma Kittle and Detective Mike Young uncover Philip Long's hidden life and lay bare the brutal crimes for which he is accused; but they wrestle with one another, the facts and real-world imperatives to decide if what they've determined is true. Truth itself and the standards of interrogation become suspect in this deeply researched and realistic film: Four Degrees.