A Guide to Game of Thrones Season 7's Biggest Moments

Daenerys sends her fleet, made up of Dornishmen and Yara's army from the Iron Islands, to Dorne to ferry the Dornish army to King's Landing. Unfortunately, Yara's Uncle Euron intercepts them and lays waste to the fleet, killing countless men plus two of Ellaria's Sand Snake daughters. Yara, Ellaria, and her daughter Tyene are captured.