A tech investor vanishes, leaving behind an impossible crime.When Cam Billings disappears from a lake in full view, university librarian Mary Watson thinks it s just another small-town mystery. But with the help of her AI program, Doyle, she uncovers a connection to S.S. van Dine s The Dragon Murder Case. Now, Mary must untangle a web of secrets, local legends, and cutting-edge technology to find the truth.As Mary investigates, she finds herself caught between a suspicious security chief and a charming attorney, all while a mysterious operative lurks in the shadows. Can Mary solve the impossible crime before she becomes the next victim? Perfect for readers who enjoy cozy mysteries with a technological twist.