‘The Bold And The Beautiful' spoilers for Jan 28: Katie confronts Bill, says she won’t back down to keep their marriage

On Thursday, "The Bold and the Beautiful" will show how Katie (Heather Tom) fiercely stakes her claim on husband Bill (Don Diamont). Other “The Bold and the Beautiful” cast members who will also appear in the upcoming episode include Brooke (Katherine Kelly Lang), Eric (John McCook) and Bill (Don Diamont).

Spoiler Alert! This article contains "The Bold and the Beautiful" spoilers. Read only if you want to know more about it.

TV Guide reports that on Thursday’s episode of the "Bold and the Beautiful," Katie puts her foot down and tells her husband Bill what should happen in their marriage. Meanwhile, Steffy receives a gift from Wyatt, who encourages her to move on with her life.

The show’s official YouTube channel posted a preview video for the Jan. 28 episode. It features multiple scenes with Brooke, Eric, Katie and Bill.

On one scene, Brooke is shown recounting to Eric what happened between her and Katie. “Katie knows. She knows that I’m still in love with Bill,” Brooke says. “I really think I lost her. Forever,” she adds.

Meanwhile, Katie confronts Bill about Brooke. “You’re my husband. I’m her sister, I mean, have a little self-control,” Katie says. “Think about someone else for a change.” Katie also tells Bill that she’ll do anything to save their marriage. “I will protect what’s mine,” she determinedly says.

"The Bold and the Beautiful" recap

Scenes from the Jan. 28 episode takes off from what happened on Wednesday, when Katie physically attacked Brooke after overhearing Brooke say that Bill is still the love of her life. Katie thought that Brooke betrayed her again, and that Brooke is out to get Bill. Katie even brought up the fact that she had a heart transplant, and that Brooke is just waiting for her to die to have Bill. Katie asked Brooke to leave, saying, “Move along and take your business elsewhere.”

Click here to watch some episode previews from the official YouTube channel of “B&B.” Find out what happens next on “The Bold and the Beautiful,” which airs in the US from Monday to Friday on CBS.