if their story seems completely bonkers, almost like a feverish work of fiction, you ain't heard nothing yet.

This is a must-see and one of the best documentaries - and films - of this year.

The movie's not perfect, but it sticks the landing of its message. It was engaging - thrilling at times - and I personally thought it was a great time.

A film of deceptively outspoken contemporary relevance, this is cinema at its most alert, alarming and alive.