Sibling rivalry is set to rear its ugly head in both the Forrester and Logan clans on The Bold and the Beautiful.

B&B: Thursday, Jan. 2 , 2014

Brooke (Katherine Kelly Lang) has been actively trying to reconcile with Katie (Heather Tom), ever since she ended her relationship with Bill (Don Diamont). Katie has for the most part been receptive to her sister, but still holds her at a distance because she finds it hard to forgive her for having an affair with her husband.

A new preview clip for the Monday, Jan. 6 episode shows that they may come to a heated argument again-over both Bill and Ridge (Thorsten Kaye).

"You know how much I love Ridge" Brooke said to her sister.

The conversation could turn against Brooke, however, when she tells Katie she wants to be with Ridge, and truly thinks Katie should take Bill back.

"You think it would be better for me to go to sleep every night lying next to a man who'd rather be sleeping with you?" she asked her sister.

Meanwhile, Ridge's return has caused some tension at the Forrester offices for his younger brother, and current company president, Rick (Jacob Young). However, things may escalate the two may extend beyond the business realm when Rick realized how his brother's return has been affecting his mother.

"I wonder if Ridge can come to terms with your mom's involvement with Uncle Bill while he was gone," Rick's wife, Caroline (Linsey Godfrey), said to him in the clip.

The conversation could outrage Rick when he realizes his brother is angry with Brooke, causing him to have a closed-door confrontation with him.

"You have no right to criticize the way she had to keep herself from going under," he yelled at Ridge.

B&B: Thursday, Dec. 26, 2013

The Bold and the Beautiful airs Monday-Friday at 1:30 p.m. on CBS.