Since he took on the case in 2012, defending Julian Assange has put judge Baltasar Garzón's talent and ability to the test. They've won a few battles, but nobody knows how the war will end.

Capturing the story of WikiLeaks founder Julian Assange with unprecedented access, director Laura Poitras finds herself caught between the motives and contradictions of Assange and his inner circle in a documentary portrait of power, betrayal, truth and sacrifice.