Everyone knows the two greatest thieves in the city are the Moth and the Whisper, but few know that they're missing. And what nobody knows is that the new Moth and Whisper are actually one person pretending to be both of them: Niki, their teenage child.

With the help of an unexpected ally, Niki gets closer to Wolfe than ever. But they have no idea what's in store for them-and what they don't know will end up hurting them...