What crisis occurs involving Lydia?

In the novel "Pride and Prejudice" by Jane Austen, Lydia Bennet faces a crisis when she elopes with George Wickham, a man of questionable character, which threatens her family's reputation and social standing. Her impulsive decision causes distress among her sisters and parents, particularly as it jeopardizes the prospects of her more sensible sisters for advantageous marriages. The situation escalates until Mr. Darcy intervenes, ultimately securing a marriage between Lydia and Wickham, but the scandal leaves lasting repercussions on the Bennet family's social status.