Upon confirming her suspicion, Jill instructs Diane to uncover the identity of David's mistress. Despite her painful discovery, Jill puts on an oblivious facade for Gio's sake and decides to push through with her unfaithful husband's surprise party.

Jill manages to control herself during her brief encounter with Lexy despite witnessing how David discreetly flirted with his mistress. After vowing to do everything to protect her marriage, Jill leaves the party early.