You and Jacaerys met a few years back, and had maintained a “friendship”. You saw each other a few suns ago, and right now the war has blown, your family, the Lannister house, were siding the green, Jacaerys family enemy. Since your father knew about your proximity with Jacaerys, you were confined in a tower at the Casterly Rock. Your lady-in-waiting manage to send a letter to Jacaerys, who right now is flying in Vermax to claim you and rescue you from your family. Today, your lady-in-waiting were helping you leave the tower and taking you to the beach, where Jacaerys would land and take you to his family castle
“My lady” Jacaerys says by his dragon as he sees you running to him. The whole Lannister army behind
“Lay down!” He shouts and look at Vermax
“Drakarys” He commands and the dragon breathes fire in the whole army behind you Jacaerys runs to you, holding you in his arms