Bold And The Beautiful spoilers imply that all of Sheila Carter's (Kimberlin Brown) crimes will be exposed. Sheila's most heinous crime was killing her son, John "Finn" Finnegan (Tanner Novlan).
Finn took a bullet meant for Steffy. Then Sheila shot Steffy, almost taking her life. Sheila has been hanging out with the Forresters playing the grieving mother, and showing phony concern for Steffy.
Sheila paid an ill-advised visit to Steffy's home to see Hayes Finnegan (Piper Harriot). While Sheila is there, Steffy will realize that something is off.
Bold And The Beautiful spoilers for May reveal that Steffy's memories will come flooding back. She will remember Sheila is the shooter. Then Steffy will recall the reason they were in the alley on Bold And The Beautiful.

Pic credit: CBS
B&B: New Year's Debacle Is Explained
Although Steffy Forrester has recovered all her memories, she will keep them from Sheila Carter. Bold And The Beautiful spoilers for the week of May 9 to 13 suggest that Steffy will share the details of that horrific night with Ridge Forrester (Thorsten Kaye) and Taylor Hayes (Krista Allen).
The trio will devise a plan to expose Sheila's crimes. Steffy will lure Sheila back to the cliff house with a promise to see Hayes. Sheila won't know she is walking into a trap.
Further spoilers note that Sheila will crack under pressure and admit to everything. This will include what Sheila did to Brooke Logan (Katherine Kelly Lang).

Pic credit: CBS
Ridge will learn that Sheila switched the champagne labels, which lead to Brooke getting drunk on New Year's Eve. Ridge knows Brooke was tormented because she could not understand why she drank. Sheila's act ultimately led to the end of Brooke and Ridge's marriage on Bold And The Beautiful.
Will Ridge Go Back to Brooke on Bold and the Beautiful?
Brooke Logan and Ridge Forrester are still technically married even though he has been spending all his time with Taylor Hayes. Steffy Forrester's tragedy has certainly drawn her parents closer together.

Pic credit: CBS
Still, B&B spoilers speculate that Ridge will view Brooke in a different light. He now realizes his wife did not intentionally drink that fateful night. Brooke begged Ridge to come home. Will she get her wish?
B&B spoilers for May divulge that Brooke will be relieved when she learns she was tricked into drinking real champagne. The revelation will give Brooke a renewed sense of hope for her marriage. Still, further spoilers state that Ridge will be torn between Brooke and Taylor. Which woman will Ridge choose on The Bold And The Beautiful?