Reacher Season 4, Episode 3, titled “One Small Step,” pushes Jack Reacher deeper into the mystery surrounding Anna Merrick while revealing that several people have been lying about what happened before her death. The episode begins with Reacher, Tamara, Jacob, and journalist Russell Plum trying to understand Nolan Cahill’s connection to Anna. After Episode 3, Anna and Cahill are dead, Ben remains missing, Lila has admitted lying to Reacher, and two different armed groups are hunting the same drive.