What is the secret of "Dougie's Document?" Returning to London after a long absence, Brian Stander meets up with his old friend, John Harmon and is invited to his new apartment in the Lann Park development to share "something different." For Brian, it's an awkward visit for Lann Park was once Lannbridge, a Georgian psychiatric hospital, where he worked 20 years before. It's not just a place of memories, pleasant and not so pleasant. John has discovered a battered old exercise book written by a former patient. John says Brian can now write the history of the hospital he "was always meant to do," but after the "discovery" appears in the local press, John's apartment is burgled. Why are others so keen to see what secrets lie within? Unravelling "Dougie's Document" means Brian pitching himself and old friends and colleagues into great danger for only by unearthing his own lost memories can a long unsolved crime be resolved. Throughout this tense and exciting thriller the brooding presence of the old "asylum" looms over the new development.