Even after twenty-five years, this film by Danny Boyle retains its raw, realistic impact. The story unfolds in 1990s Edinburgh and centers on a group of friends whose primary objectives are to endure, perhaps find romance, and simply make it through each day. "Begbie" (Robert Carlyle) leads them—a volatile figure who resorts to violence without hesitation; "Spud" (Ewan Bremner) and "Sick Boy" (Jonny Lee Miller) drift aimlessly, seeking their next high; "Tommy" (Kevin McKidd) attempts a more conventional life with his girlfriend "Diana" (Kelly Macdonald); and "Renton" (Ewan McGregor), possibly influenced by his parents’ perspective, may discover an opportunity to escape this constant suffering. What sets it apart is Boyle's willingness to portray the bleakness of their existence in unflinching detail. It's undeniably graphic, violent, and upsetting, but also humorous and relatable—there’s a sense that any of us could find ourselves in similar circumstances, evoking empathy while simultaneously provoking discomfort or even fear. The performances are uniformly excellent, particularly from Bremner and Miller, whose characters aren't as central to the plot as Carlyle's and McGregor's, yet contribute significantly to the story's depth and complexity, preventing it from becoming a purely depressing account of despair. The frequent use of strong language, while noticeable, doesn’t feel like a substitute for clever writing; instead, the profanity and violence enhance the believability of the narrative—it's disturbing, but also captivating to watch repeatedly. It remains effective even on a large screen, although the visuals don’t necessarily demand elaborate presentation, and the music provides a pleasant dose of nostalgia. Not suitable for everyone, but in my opinion, it represents the best work from everyone involved and has aged exceptionally well.

Source on TMDB