Caleb, a coder at the world's largest internet company, wins a competition to spend a week at a private mountain retreat belonging to Nathan, the reclusive CEO of the company. But when Caleb arrives at the remote location he finds that he will have to participate in a strange and fascinating experiment in which he must interact with the world's first true artificial intelligence, housed in the body of a beautiful robot girl.
The reclusive CEO of a hi-tech company (Oscar Isaac) recruits a brilliant young computer programmer (Domhnall Gleeson) to evaluate his latest invention -- a highly advanced android named Ava (Alicia Vikander), which is supplied with the most advanced Artificial Intelligence ever conceived. Meanwhile, despite their intelligence and formidable reputations, the two men fail to realize just how easily they can be manipulated by a machine that's as beautiful as it is brilliant..