Petyr Baelish plots his revenge on the people who have hurt the ones he loves in this preview of the upcoming seventh episode of season four of Game of Thrones entitled Mockingbird. The episode airs this Sunday, May 18th, only on HBO.

In the episode, Tyrion enlists an unlikely ally. Daario (Michiel Huisman) entreats Dany to allow him to do what he does best. Jon's warnings about the Wall's vulnerability fall on deaf ears. Brienne (Gwendoline Christie) follows a new lead on the road with Pod (Daniel Portman).