‘The Bold And The Beautiful' spoilers for June 9: Masked intruder breaks into Liam’s beach house

A shocking and suspenseful episode awaits “The Bold and the Beautiful” followers on Thursday. An unidentified person sneaks into Liam’s (Scott Clifton) house, and his life may be put in danger. Fans wonder whether Quinn (Rena Sofer) has a hand on this incident, or she’s the masked intruder. After all, hell hath fury like a woman scorned, and she is willing to do everything to make sure that her son’s marriage will remain intact.

Other “The Bold and the Beautiful” cast members who will also appear on the June 9 installment include Steffy (Jacqueline MacInnes Wood), Wyatt (Darin Brooks), Katie (Heather Tom), Bill (Don Diamont) and Brooke (Katherine Kelly Lang).

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,” a masked intruder makes his way to the beach house, alarming Liam. Elsewhere, Katie grapples from her marital problems and alcohol addiction. Meanwhile, Brooke reels from Bill’s shocking confession.

The show’s official YouTube channel posted a preview video for the June 9 episode. It features multiple scenes with Brooke, Bill, Wyatt and Steffy.

On the first scene, Brooke lovingly caresses Bill’s hair as she tells him, “I have always loved you.” The two then share a passionate kiss.

Steffy figures on the preview video as she shares with Wyatt about a feeling that she’s having. “Just this strange vibe that something might happen to Liam,” she says.

Wyatt wraps the trailer as he reassures Steffy that he will always put her first before anyone else. “That is my commitment to you forever,” he promises.

"The Bold and the Beautiful" recap

The previous episode showed Steffy and Wyatt discussing about Quinn. Steffy said she believes Quinn is dangerous and she should be in jail. Wyatt argued that Quinn is still his mother. Their conversation turned to Steffy’s visit to Liam. Wyatt asked her why she went to see his brother. Meanwhile, Quinn opened to Deacon that there’s still an attraction between Steffy and Liam. She vowed not to let Liam interfere in Wyatt’s marriage. Deacon told her to leave Liam alone, but Quinn shot down his advice, saying, “As long as Liam lives and breathes he’s a threat to my son’s marriage.” She then left, saying she’d go for a walk. At the beach house, Liam thought about Steffy and Quinn. He decided to go to bed, unaware that someone entered his home.

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.