Mac, Katherine, Felicia & Det. Napoli go to Damian's lakehouse to look for clues to Katherine's innocence but being there freaks Katherine out. Lois returns home to Ned and learns Mary Mae passed away. Justus recounts to Luke, Simone & Keesha how he found Mary Mae dead. Justus & Simone postpone their wedding. Upset over Mary Mae, Edward tells Ned & Lois he loved her & then remembers her torch singing days. Brenda tells Mike she accidentally burned Lily's wedding dress. Mike advises her to accept the fact that Sonny's getting married. Sonny & Lily find her burnt dress but vow not to let Brenda upset their wedding.