Lightman becomes involved in a dangerous game of cat-and-mouse when he meets a beautiful woman at an art gallery. Meanwhile, Torres is still reeling after her fatal mistake.
When Lightman investigates an explosion that killed six coal miners, he suspects foul play may be involved and goes below the surface to find the truth; the FBI seeks the Lightman Group's help with another case.
Lightman goes head-to-head with the leader of a self-help empire to free a wealthy woman who may be under the control of the cult-like leader. When Lightman begins to investigate, things get personal as he suspects the group of threatening him and his daughter, Emily.
A baby goes missing, and her mother accuses an unknown person of the kidnapping. When Lightman sees she’s hiding something, he digs deeper and discovers a family in need of repair.
Foster’s former patient, one of the founders of a social-networking app, comes to the Lightman Group when she thinks she’s being squeezed out by her partner. When she turns up dead a short time later, Lightman fights against the prevailing evidence to expose the truth behind the murder.
