Here's the full story: Darcy saved the Bennet family's honor. He tracked down the couple and paid off Wickham's massive debts in exchange for Wickham marrying Lydia. Why would he possibly do that? Well, we have some ideas—but we don't get to find out right away. First, Bingley comes back and finally proposes to Jane. And then, Lady Catherine visits Longbourn to strong-arm Elizabeth into rejecting any proposal from Darcy, which obviously doesn't work.