Nothing about Grace Deacon's upbringing has been typical. Raised in the Tensley Home for the Gifted in the English countryside since she was a toddler, she is second in line to take on the mantle of the famous mysterious detective, Montclair. There is one problem: The current Montclair, the superior and irritating Winston Evers is also her sworn enemy since childhood. Then Winston returns home after his latest case, and makes it his mission to get to know his successor better, despite it being the last thing she wants. Can Grace cease the battle of wits long enough to call a truce? Or is something longer lasting in the offing? With mind reading teens, hot-tempered Einsteins and haphazard plane engineers in residence, anything is possible at Tensley's.