In a recent interview with Vice, author Irvine Welsh dished about what fans can expect from the sequel to Trainspotting.

There will be plenty familiarity as the story will still be still be based in Edinburgh with Renton (Ewan McGregor), Begbie (Robert Carlyle), Sick Boy (Johnny Lee Miller) and Spud (Ewen Bremmer) set to return.

"It's very much telling a story about Edinburgh as it currently is," he said. "The main element to the story is basically Renton, Begbie, Sick Boy and Spud getting back together again, and it tells the story of them getting involved in the vice industry in a very innovative way."

There have also been rumors about the story being based on Porno, the sequel Welsh wrote to Trainspotting featuring the same characters, but he revealed that they needed to go beyond the timeline of that book as the characters are much older now.

"We've had to evolve past that, because the actors would have been ten years older when Porno came out, and now they're 20 years older," he said. "It has to take into account that reality."

Trainspotting 2 will open in theaters sometime in 2017.

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