Assassination at Winterfell

Roose Bolton, Ramsay Bolton, and Harald Karstark are informed by the Boltons' Maester that Walda Bolton has given birth to a boy, Ramsay proceeds to hug Roose and congratulate him. He then stabs Roose in the abdomen once, killing him. Ramsay then instructs the Maester to send ravens out with the message that Roose was poisoned by his enemies, When the Maester hesitates, Harald reminds him that Ramsay is his Lord now,