This is Kenneth Branagh doing his Kenneth Branagh thing—lots of mustache, lots of scenery, lots of 'look at this exquisite train car.' It's a solid, respectable adaptation of a classic mystery, but let's be real: most modern kids will find it slow and stuffy.
The murder and its backstory (dead child, collective revenge) are heavier than your average family mystery, so this is firmly teen territory. If your 13-year-old is into Knives Out or enjoys puzzle-solving, this could be a fun gateway to Agatha Christie. If they need explosions every 10 minutes, skip it.
The moral ending—everyone's guilty, and maybe that's justice—is genuinely thought-provoking, but it requires a viewer who's ready to sit with ambiguity. Not a bad rainy-day pick for the right kid, but don't expect it to compete with their usual streaming queue.






