The FBI asks the ingenious Monkeewrench crew to help them find the chilling link between a dead bride found floating in the Mississippi and a series of gruesome murder videos posted anonymously on the Web--before the killer claims his next victim.

Off the Florida coast, Grace MacBride, partner in software company Monkeewrench, thwarts an assassination attempt on a retired FBI agent. A few hours afterward in Minneapolis, a young girl's throat is slashed. Later that day, two men are killed execution style. Minneapolis Homicide detectives Leo Magozzi and Gino Rolseth struggle to link the three crimes, but the wave of murders across the country has only just begun. Piece by piece, evidence accumulates, pointing to a suspect--and a motive--that shocks them to the core. It puts the entire Midwest on high alert...and Monkeewrench in the line...

When Leora Ebersole sees the small plane crash in her Old Order Mennonite community, she has no idea it's a foreshadowing of things to come. When the young pilot, Moses Hughes, regains consciousness, they realize his instruments were destroyed by the same power outage that killed the electricity at the community store, where Englischers are stranded with dead cell phones and cars that won't start.

Moses offers a sobering theory, but no one can know how drastically life is about to change. With the only self-sustaining food supply in the region, the Pacifist community is forced to...