In an elegant palazzo on the Grand Canal, an American ambassador's tryst turns deadly. In the seamy underbelly of London, a pub-crawling killer is on the loose. And in a storybook chapel nestled in the Cotswolds, a marriage made in heaven turns to hell on earth. Isolated incidents? Or links in a chain of events hurtling towards catastrophe? So begins Assassin, the tour de force thriller that heralds the return of every terrorist's worst nightmare, Alex Hawke.