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. Stream Ex Machina free in HD on Gemflix — no signup, no account. 2015 · 108 min · Drama, Science Fiction.