When the kids hear Lily curse, they're worried they have been a bad influence on her. A love letter addressed to "L" Loud shows up at the house and the family has to figure out who it was meant for.
The kids start to worry that they have been a terrible influence on Lily after they hear her curse; After a letter finds it's way to the house addressed to "L" Loud, the family is tasked with figuring out the Ho the strange mail is meant for.—Dynasti Noble