Plot details of “Game of Thrones” season 7 have leaked online. Multiple battles are said to be featured in this episode. A big secret regarding a previous death will also be revealed. The following article contains spoilers.

According to the leak reported by Heatstreet, the battles next episode will be focused on the Lannisters. The report was right regarding all events that happened in the premiere episode, which makes it a legitimate source.

Jaime (Nikolaj Coster-Waldau) will lead his army in a battle against Highgarden. The Tyrells have a stockpile of food, which will be crucial in the war. The Lannisters will win, and Olenna (Diana Rigg) will be cornered.

Before her death, Olenna will reveal how she assassinated King Joffrey (Jack Gleeson) with poison using Petyr Baelish’s (Aidan Gillen) help. Jaime will allow her to drink poison, rather than being captured alive.

The other big battle in the episode is on the sea. Euron (Pilou Asbæk) will attack and defeat Yara Greyjoy’s (Gemma Whelan) fleet and take her captive. Theon (Alfie Allen) will escape by jumping overboard.

After their respective victories, Jaime and Euron will attack Dorne. The King of the Ironborn will kill two Sand Snakes, and capture Ellaria (Indira Varma) as a prize to be presented to Cersei (Lena Headey).

Meanwhile, Jon Snow (Kit Harington) gets a letter from Daenerys (Emilia Clarke), inviting him and the other lords of the North to meet her at Dragonstone. The King in the North and Davos (Liam Cunningham) decide to go and meet the Mother of Dragons, leaving Sansa (Sophie Turner) in charge of Winterfell.

Jon Snow is interested in the dragonsglass stockpiled at Dragonstone, which will be an important weapon against the White Walkers. But will Daenerys believe the threat? The Night’s King is marching to attack the Wall, but most of Westeros are unaware.