‘The Bold And The Beautiful' spoilers for April 20: Liam gets heartbroken when he finally learns that Steffy is married to his brother

On Wednesday, “The Bold and the Beautiful” episode centres on Liam (Scott Clifton), as he deals with another blow – finding out that Steffy (Jacqueline MacInnes Wood) is already married. Worse, she’s married to his brother, Wyatt (Darin Brooks). As if that’s not hard enough to swallow, Liam also learns the extent of Quinn’s (Rena Sofer) deception, and he discovers it’s beyond changing his identity and making him believe that he’s married to her.

Other “The Bold and the Beautiful” cast members who will also appear in the April 20 installment include Bill (Don Diamont), Zende (Rome Flynn), Nicole (Reign Edwards), Vivienne (Anna Maria Horsford) and Sasha (Felicia Cooper).

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 Wednesday’s episode of the “Bold and the Beautiful,” Liam finds out from Steffy just how deceiving Quinn could get beyond changing his identity and taking advantage of his memory loss. Meanwhile, Zende unexpectedly confronts Sasha about her conversation with Nicole. Based on their conversation, it appears that Zende and Sasha have different perceptions of their relationship.

The show’s official YouTube channel posted a preview video for the April 20 episode. It features multiple scenes with Liam, Steffy, Bill, Vivienne and Nicole.

On the first scene, Liam incredulously asks Steffy, “You married my brother?” On another scene, after apparently digesting this piece of information, he says, “You can’t stay married to him, Steffy.”

Another part of the video shows Bill talking to Wyatt about Liam. Bill says that Liam is lucky for getting his memory back. “I just hope he can handle it,” Bill concludes.

Meanwhile, Vivienne gives comfort to Nicole amid her love issues. “You’re the only person who can make that decision,” Vivienne reminds her. “And all we can do is to love and support you.”

"The Bold and the Beautiful" recap

On Tuesday, Liam told Bill about his plans to marry Steffy, and asked his blessing to make Wyatt the best man. Meanwhile, Wyatt and Steffy discussed about telling Liam that they are married. Steffy insisted that she should be the one to break the news to Liam. Later, when Steffy arrived at the Malibu house, Liam wasted no time and told her that they should get married that day. Steffy hesitated to answer and blabbed about the fact that he was gone for a long time, and that he kept telling her to leave him alone. When Liam asked if there was someone else in her life, she said yes. Liam went into a fit of rage, and said she could get an annulment. He then demanded to know the name of the man who stole her heart and took his place in her life.

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.