When Gilda lands a summer internship at Washington, D.C.'s International Spy Museum, she finds herself embroiled in both a museum haunting and a real case of espionage. While investigating a cemetery where Abraham Lincoln's son was once buried, Gilda stumbles upon a spy's 'dead drop' of classified information. Gilda's efforts to decode the cryptic message lead to further intrigues: Is she on the trail of a mole operating inside the U.S. intelligence community? Aware that 'nothing is what it seems' when it comes to spies in Washington, D.C., Gilda faces the most serious challenge yet in her career as a psychic spy.