If British police ask for the password to your phone or computer, you must hand it over to them in accordance with an anti-terror law that came into force prior to 9/11.

When human rights activist Muhammad Rabbani refuses and is prosecuted, a journalist uncovers documents proving the existence of a top-secret surveillance programme. Codenamed Phantom Parrot, it's designed to copy the personal data of individuals at airports and border crossings.

From there, the dominoes start falling in all directions in this dark film about technology, surveillance and structural racism.

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