'See How They Run' review: Saoirse Ronan leads a charming Agatha Christie-inspired whodunnit

The new 1950s-set whodunnit See How They Run never escapes from Agatha Christie's shadow, but that's entirely by design. And while Christie fans may get more out of the film's references than people who are less familiar with her work, it's still an enjoyable caper thanks to the charm of its stars.

Agatha Christie's name is...