Evie Barnum is in charge of her brother's museum, a place teeming with scientific specimens and human prodigies including a bearded woman and the lizard man. In this weird and whacky workplace, Evie hopes she can bury her secrets.

But when an old friend shows up and begs for her help, she does all she can to stay away. The next time she sees him, he is dead in front of the exhibit of the Feejee Mermaid. Suspicion for the murder falls on Jeffrey, known as the Lizard Man, but Evie knows it isn't possible.

When Jeffrey also goes missing, Evie becomes determined to solve the mystery of her friend's murder, even if it brings her face to face with her past.