Game of Thrones Season 7 Trailer gets a Full Breakdown! Game of Thrones Easter Eggs and Season 7 Trailer Details You Missed! Game of Thrones season 7 Predictions and Theories. Will Jamie kill Cersei? Will Jon learn about his lineage? Erik Voss explains all the details in the Game of Thrones season 7 trailer, including the hidden meaning of Jamie Lannister’s sword, the imagery of the maps, and the music. What city are the Unsullied invading? Where will the Dothraki vs Lannister battle take place? And whose hand is reaching through the door?