Lightman tries to stop a man intent on revenge from robbing a bank.

While defending a wrongly accused man, Lightman uncovers a dark secret that helps a damaged woman and her daughter.

The Lightman Group gets hired by Internal Affairs to investigate an incident that involves Det. Wallowski and her partner Det. Farr.

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.

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.

Lightman tries to help a woman with early-onset Alzheimer's piece together her fragmented memories, but it uncovers a deadly secret.

Lightman is hired by a terminally ill restaurant owner to find his daughter's killer as his dying wish.

Cal Lightman questions his own sanity while he tries to get a patient released from a mental hospital.

A wealthy woman asks Lightman to look into her new boyfriend's background.

Lightman investigates three high school students responsible for a deadly traffic accident.

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.