Tune in for the next show of HBO's "Game of Thrones" as the action begins to speed up.

The next show, titled "Sons of Harpy," debuts Sunday, May 4. According to Spoilers Guide, "The Faith Militant grow increasingly aggressive. Jaime (Nikolaj Coster-Waldau) and Bronn (Jerome Flynn) head south. Ellaria (Indira Varma) and the Sand Snakes vow vengeance."

In the last episode, titled "High Sparrow," fans finally got to see how the HBO series took a major turn from George R.R. Martin's novels, according to Entertainment Weekly.

The biggest twist to the plot is that Sansa Stark is now engaged to marry Ramsay Bolton. Fans did not see that coming.

Sansa's guardian, Littlefinger, arranged for her to marry the psychotic Ramsay. Littlefinger does not know Ramsay's reputation of skinning people alive. All he knows is that his family controls Sansa's former home of Winterfell.

"Game of Thrones" showrunner David Benioff says the plot twist was mainly because producers love Sansa and actress Sophie Turner has really grown to play that character well.

"We really wanted Sansa to play a major part this season," Benioff said. "If we were going to stay absolutely faithful to the book, it was going to be very hard to do that. There was a subplot we loved from the books, but it used a character that's not in the show."

Ramsay Bolton marries a different person in the book but that character never appears in the show while Sansa's storyline ends in "A Feast of Crows."

Meanwhile, fans got to see the inside of The House of Black and White in Braavos, Entertainment Weekly reports. The house has stone floors and a gloomy look to it.

In King's Landing, Cersei watches her son, Tommen, marry Margaery before he loses his virginity.

Ramsay's father in Winterfell tells him that he has to marry, and Sansa was the lucky girl although she begged Littlefinger to not arrange the marriage.

Littlefinger tells Sansa, "You've been a bystander to tragedy. ... Stop running. There's no justice in the world ... avenge them!"

Tune into HBO Sundays at 9 p.m. to see how "Game of Thrones" plays out.