

Michael and Joanna are a young and successful married couple who appear to have it all. But when Michael finds himself alone on a business trip with an attractive new colleague and Joanna encounters the other great love of her life, each is thrust into an evening of temptation.
Acting
Knightley's trembling restraint vs. Mendes' effortless heat.
Writing
Dialogue so natural you'll feel like you're eavesdropping.
Cinematography
Glamorous NYC that somehow feels claustrophobic.

Director
Massy Tadjedin
Trivia, insights & behind the scenes
Massy Tadjedin wrote this while working as a script reader; she sold it on the strength of one scene.
The title's double meaning — 'last night' as final betrayal and merely 'yesterday' — mirrors how the film treats infidelity as both catastrophic and ordinary.