[s1e1] Episode One < UHD >

Mark is promoted after his best friend Petey "leaves" (is fired/missing).

Bran Stark witnesses Jaime and Cersei Lannister together and is pushed from a tower ( Reddit ). [S1E1] Episode One

Lee Dutton, John’s eldest son, is killed in the skirmish ( TV Tropes ). Mark is promoted after his best friend Petey

Luffy, who has rubber powers from eating a Devil Fruit, starts his quest to find the "One Piece" treasure (One Piece Wiki). John’s eldest son

This episode introduces the Dutton family and their fight to keep their massive ranch. IMDb (IMDb) provides a clear high-level summary of the pilot.