Following 22 years of relative cease-fire between the Nagorno Karabakh Republic and Azerbaijan, large-scale military operations initiated by official Baku resumed. Why did the Azerbaijani army failed in this long-planned blitzkrieg and what is the link between it and ISIS? What other evil plans did the authorities of Azerbaijan attempt to realize in the course of the 4-day April war? What counter strike was the aggression of the enemy met with and what is the cause of the Karabakh conflict? How does Artsakh withstand the threats by the neighbor and live now? The «Failed Blitzkrieg » documentary tries to answer the questions through facts only offering a vivid picture of the reality.