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
Sons: Ryder Callahan; John Finnegan
In Episode 239, Bryton James and Cait Fairbanks as Devon Hamilton and Tessa Porter respectively, deal with Mariah’s situation, which no one else in the family seems to understand.
Jack Finnegan is writing a lot of checks to Sheila here I wonder if he is going to have the money to cash. In other words, buying her silence with threat gives Sheila a check with a very high number for Sheila to cash.