Journalist who prepared this video was sentenced to 3 years in prison!

Journalist Ece Sevim Öztürk spent 6 months in prison for preparing the documentary 'The Darkest Day of the Naval Forces - July 15' about Turkey's 2016 coup attempt. She was released after being sentenced to 3 years, 1 month, and 15 days in prison. Why did this video cause such discomfort for the authorities? What are the hidden facts about Turkey's 2016 coup attempt? Here is that video...