In "What Is Dead May Never Die," Season 2, Episode 3 of Game of Thrones, several key events take place that further the overall plot of the series.
In King's Landing, Tyrion Lannister, who has been appointed as the Hand of the King by his father, begins to implement his own policies and strategies to maintain control of the city and the realm. He also starts to gather information about his enemies and allies.
In the North, Theon Greyjoy returns to his home on the Iron Islands and tries to gain the support of his father, Balon Greyjoy, and his people in his attempt to conquer the North. However, his father is not supportive of his plans and he faces resistance from his own people.
In the Riverlands, Robb Stark's army is continuing its campaign against the Lannisters. Robb receives a letter from his mother, Catelyn Stark, who urges him to make peace with the Lannisters and exchange Jaime Lannister, who is being held prisoner, for Eddard Stark, who has been executed by the Lannisters.
In the East, Daenerys Targaryen is building her army and her dragons are growing bigger. She also starts to learn more about the culture and customs of the people she is trying to lead.
In the Night's Watch, Jon Snow and his comrades are preparing for the wildlings' attack on the Wall. Jon is also struggling with his loyalty to the Night's Watch and his feelings for Ygritte, a wildling woman he had met earlier.
In summary, "What Is Dead May Never Die" establishes the power struggles and secrets that drive much of the series. It also sets up several key conflicts and alliances that will play out in later episodes. The episode also showcases the brutal nature of the world of Game of Thrones, with the execution of Eddard Stark and the resistance faced by Theon Greyjoy serving as a reminder of the high stakes and ruthless tactics used by those vying for power.
