Theoretical physicist Niko Jovic is found fatally electrocuted in a remote Colorado laboratory, Technology of Tomorrow Today, under suspicious circumstances. Relating to wireless transmission of electricity, Niko Jovic's work could sell for millions on the market. With the case stuck at a dead end, the lab owner has asked Nancy Drew to go undercover to investigate this murder. Tensions rise as attempts on Nancy's life start, Nancy must get to the bottom of this case before the murderer catches up with her.​

The Deadly Device can be purchased at the HerInteractive store and on Amazon.