Katie confronts her sister.
Knowing that Brooke still pines after Bill eats away at Katie, causing her to lash out.
"I'm going to forgive and forget," Katie tells her sister. "I'm going to wipe the slate clean and just not think about how you're aching for my husband. I'm going to forget that it's even happening, I'm going to un-hear those words, but here's the problem—you're trouble."