In the spring of 1992, a serial killer cut a swathe through the Mid West with six victims across three states, shot execution style. The victims all worked in small stores just blocks from I-70. Phelps and Kelly take a long trek across the Midwest to investigate the unsolved murders on this lonely stretch of highway.

Phelps and Kelly investigate the unsolved murders of four couples on a remote lovers' lane in Virginia, attacked in their cars by a serial killer who may be posing as a cop.