In the A Song of Ice and Fire novels, Sansa is never in Winterfell at this time; a character named Jeyne Poole (posing as Arya Stark) is the one forced to marry Ramsay.
Arya continues her training at the House of Black and White, learning the "Game of Faces" from the Waif and finally being allowed to enter the room of faces by Jaqen H’ghar. Fan & Critic Reception got_5x06
Jaime Lannister and Bronn attempt to "rescue" Myrcella Baratheon from Dorne but are intercepted by the Sand Snakes. The ensuing fight ends in a stalemate as they are all arrested by Areo Hotah. In the A Song of Ice and Fire