The night is full of surprises, as we learn what has transpired on Wisteria Lane in the past five years. Driven by a hidden agenda, Dave convinces Susan to throw Mrs. McCluskey a surprise party for her 70th birthday; Jackson wants to take his relationship with Susan to the next level; Gaby's concerned she might be pregnant; Tom tells Lynette he's sold the pizzeria; a startling reason for the bond between Bree and Katherine is revealed; and an outraged Mrs. McCluskey has the entire neighborhood questioning her sanity.