The Bold and the Beautiful episode 238 relies on our knowledge as viewers of the history of Sheila Carter and the horror she has visited upon the Forrester family.
About Sheila Carter, from Wikipedia
Description
Sheila Carter is a fictional character from The Young and the Restless and The Bold and the Beautiful, American soap operas on the CBS network.Wikipedia
Mother: Molly CarterSons: Ryder Callahan; John FinneganDaughters: Mary Carter Warwick; Diana Carter; Daisy CarterGrandchildren: Lucy Romalotti; Hayes ForresterFinnegan
Significant others: Eric Forrester, James Warwick, Massimo Marone, Tom Fisher, Scott Grainger, Sr.