'David Edge is a Chinese Whisper.' So Constable Carol Porter is informed while digging into one of Edge's cold cases, unsure whether she's investigating the crime, the crim or the cop. To his former Homicide colleagues, he's the star detective who went bad, or pretended to, while undercover. According to rumour, he's the ex-cop who killed notorious hitman 'Whitey' Poynter and took over crime lord Jack Barker's enterprises. To the ladies of The Rose Garden and The Crimson Grotto, he's the Big Boss, a gentleman who looks after them better than Barker did. To the tough-as-nails Maeve Maguffin,...