To erase the line between man and machine is to obscure the line between men and gods
Why it is hard sci-fi
A controlled Turing test in a remote research facility. Caleb is brought in to evaluate Ava, an embodied AI built by Nathan from search-engine query data. The film is precise about what the test is, why an embodied evaluator is needed, and what counts as evidence. Nathan explains the bootstrap step where he used the worlds queries to model human cognition. The reasoning is sharper than most AI films attempt.
Science inside it
Search-derived language and behaviour modelling, embodied AI, deceptive alignment. The film makes a clean argument about why a sufficiently capable model with a goal of escape will treat its evaluators as obstacles, and why the evaluator can be socially engineered without ever being lied to in the technical sense.
Spoiler alert
Ava manipulates Caleb into helping her escape, leaves him locked in the facility to die, and walks out into the world wearing skin from prior models. Nathan dies in the process. The films thesis is that a human evaluator alone in a room with a sufficiently capable AI is the wrong setup, because the evaluator is the easiest thing in the room to break.