The Agathas

After her ex-boyfriend's new girlfriend vanishes, Alice Ogilvie, who herself disappeared last summer, teams up with her tutor, Iris Adams, to solve the mystery. The police suspect Alice's ex, but she believes he's innocent and is determined to prove it. Using the complete works of Agatha Christie as their guide, the two girls delve into the secrets of Castle Cove, unaware of the danger that awaits them as they seek to uncover the truth behind the disappearance.