chunk: After six months, Sir Percival and Lady Glyde return to his house, Blackwater Park in Hampshire; accompanied by Glyde's friend, Count Fosco (married to Laura's aunt). Marian, at Laura's request, resides at Blackwater, and learns that Glyde is in financial difficulties. Glyde attempts to bully Laura into signing a document which would allow him to use her marriage settlement of ÂŁ20,000, which Laura refuses. Anne, who is now terminally ill, travels to Blackwater Park and contacts Laura, saying that she holds a secret that will ruin Glyde's life. Before she can disclose the secret, Glyde discovers their communication and becomes extremely paranoid, believing Laura knows his secret and attempts to keep her held at Blackwater. With the problem of Laura's refusal to give away her fortune, and Anne's knowledge of his secret, Fosco devises a plot to use the resemblance between Laura and Anne to exchange their two identities. The two will trick both individuals into travelling with them to