Lightman’s plan to infiltrate a robbery goes awry when he discovers one of the robbers is seeking revenge, not money.
The Lightman Group investigates an abuse accusation at a beauty pageant, focusing on a mother-daughter duo with a dark secret.
Lightman’s relationship with Detective Wallowski gets complicated when Internal Affairs attempts to incriminate her.
The Lightman Group gets taken for a ride when a clever museum thief attempts to evade their investigation.
Six deaths in a coal mine explosion appear to be foul play. In order to find out, Lightman puts himself in the same dangerous situation.
After a member of a cult tries to commit suicide, Lightman devotes himself to exposing the leader.
Lightman works with a woman with early-onset Alzheimer’s to uncover a traumatic memory from her past, and in the process discovers there may be a killer working at her health care facility.
Lightman reveals a surprising suspect in a fatal armed robbery at a barbeque joint.
Lightman’s own sanity is challenged as he tries to determine whether a man at a mental hospital is being held against his will.
The group reveals a con after being hired to check into the background of the boyfriend of a wealthy woman.
After a fatal traffic accident, Lightman is hired to investigate the three high school students who were responsible.
In the wake of a kidnapping, Lightman digs deeper to discover a family in desperate need of repair.
The co-creator of a social networking application enlists the help of Foster and is later found dead. Lightman then tries to prove that it was her partner that committed the crime.