On the upcoming fourth season of Game of Thrones, Tywin Lannister (Charles Dance) will finally get his comeuppance.

George R. R. Martin's A Song of Ice and Fire novels, on which Game of Thrones is based, features many huge moments for the Lannister family in A Storm of Swords, the third book in the saga. One of the biggest moments of the entire saga comes at the end of the book, which will very likely be translated to the series in the upcoming season 4.

HUGE SPOILERS AHEAD:

In A Storm of Swords, the wedding for Joffrey (Jack Gleeson) and Margaery (Natalie Dormer) is held, and it proves to be just as eventful as the "Red Wedding." At the wedding feast, Joffrey takes a drink of his wine only to discover that it has been poisoned. Tyrion (Peter Dinklage) is presumed to be the guilty party in the matter and Tywin serves as a judge at his trial.

Tyrion is sentenced to death, which Tywin does not want despite his dislike for his son. Instead, Tywin wishes for Tyrion to join the men of the Night's Watch at the Wall.

Additionally, Tywin gives his other son Jaime (Nikolaj Coster-Waldau) a Valyrian steel sword and tells him to resign from his post on the Kingsguard. Instead, Tywin wants Jaime to rule over Casterly Rock, but Jaime swiftly refuses, claiming his allegiance to the Kingsguard. Tywin then declares Jaime to be "no son of his" and denounces him.

Near the end of the book, Tyrion awaits his sentencing in a jail cell, only to be busted out by Jaime and Varys (Conleth Hill). Jaime explains the incident involving Tysha, Tyrion's first wife, in which she was denounced as a whore by Tywin and Jaime. Jaime explains that it was Tywin who came up with the plot.

On his escape, Tyrion finds Tywin on the toilet and shoots him with a crossbow out of revenge. Tywin swiftly dies.

This plot line is one of the most important in the course of the series, so fans should expect it to occur in season 4's climactic final episodes.

Game of Thrones season 4 premieres in spring 2014, though HBO has not yet scheduled a premiere date.

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