A secret lies buried beneath Cambridge.

For centuries, the ancient stones of England's most prestigious university have guarded a deadly truth. When a renowned poet is found dead at the foot of a sacred tower, Dr. Eleanor Croft is drawn into a shadowy world of cryptic clues, hidden societies, and a centuries-old conspiracy.

From secret chambers beneath hallowed libraries to cryptic symbols etched in stone, Eleanor and a mysterious ally must decipher a lethal trail left by the victim – a trail that leads them to the heart of a powerful and ruthless brotherhood determined to protect its secrets at any cost.

With her life on the line and time running out, Eleanor must confront the darkness at the university's core: a shocking revelation that will shatter everything she thought she knew about knowledge, power, and the lengths some will go to preserve them.