All in Neversuch House is not well. The Evergones are trying once more to take control of the House and the treasure that lies within. With servant rebellions, freakish "accidents" befalling the UnderButlers' and the Captain and Butler being forced into hiding, the House is in chaos and someone needs to take control, before the Evergones finally succeed in their plot.

Twelve-year-old Omnia Halibut finds herself again in the middle of the extraordinary events occurring in the House. Along with her ever faithful cousin, Evergrow, and her friend Basilica, it's up to her to uncover the truth about the Evergones and try to rally the Halibuts to her cause, or the consequences could prove deadly…