“First there was an opportunity, then there was a betrayal.” Twenty years have gone by since Mark Renton (Ewan McGregor) left Edinburgh. Much has changed, but just as much remains the same....

★★★★★ The 20-year hiatus between the creation of “Trainspotting” and its sequel left some questions about the viability of a follow-up storyline about the misadventures of a group of Scottish...