This weekend, for the second year in a row, Toronto’s Harbourfront will become a hotbed of crime, murder and deceit — in the literary sense, at least. The second annual Motive: Crime & Mystery Festival, an adjunct of the Toronto International Festival of Authors, takes place at Harbourfront Friday through Sunday. Here are five highlights to explore at the Motive: Crime & Mystery Festival:Age of Vice: Deepti KapurThe festival’s opening day features one of the most buzzed-about books of the first half of 2023. A sprawling gangster epic that the Guardian called “India’s answer to ‘The Godfather,’” Kapoor’s second novel is a furiously paced family epic about greed, corruption, betrayal and murder. (Sunday, 7:45 p.m., Brigantine Room)Go to festivalofauthors.ca/motive for information on Motive: The Crime & Mystery Festival.