Season 3, Episode 13
Cal probes the death of a social-network cofounder who had feared that she was being squeezed out by her partner.
Season 3, Episode 12
Cal investigates the abduction of a baby and comes to believe that the child's mother is hiding something.
Season 3, Episode 11
Cal probes a fatal traffic accident caused by three teens.
Season 3, Episode 10
A wealthy woman wants Cal to conduct a background check on her new boyfriend (Sam Page), who turns out to be quite a "social chameleon."
Season 3, Episode 9
Cal commits himself to a mental hospital to investigate whether a patient is being held there legitimately and comes to question his own sanity as well. He also confronts his past in hallucinations in which he reminisces with his late mother (Paula Malcomson) and confronts his father (Enzo Cilenti).
Season 3, Episode 8
A terminally ill restaurateur (John Amos) hires Cal to track down his murdered daughter's killer. She had been first in line to inherit her father's successful restaurant chain, and Cal discovers that this fact could have something to do with her death.
Season 3, Episode 7
Cal helps a woman with early-onset Alzheimer's (Annette O'Toole) reconstruct a memory, and unearths a secret that could prove deadly in the process.
Cal goes head-to-head with a self-help guru (David Sutcliffe) to free a wealthy woman (Julia Campbell) who might be under his control. Cal also suspects the group of threatening him and Emily.
Cal investigates a coal-mine explosion that killed six miners, and he suspects foul play. So to prove it he goes into the mine. Meanwhile, the FBI seeks the Lightman Group's aid again, and Foster and Torres offer to work pro bono.
The Lightman Group's expertise is called into question when a woman (Tricia Helfer ) plays cat-and-mouse with Cal while he's checking for security leaks at an art museum prior to a major exhibition.
The Lightman Group is hired to look into police profiling following an incident involving Wallowski (Monique Gabriela Curnen), and it turns out that Internal Affairs want Cal to incriminate her.
Lightman defends a falsely accused man from an angry mob. In the course of proving his innocence, Lightman unearths a secret that allows a mother and daughter to begin to heal.
Season 3 premiere: Tim tries to stop a man (Shawn Doyle) bent on revenge from robbing a bank and in the process holds a guilty man accountable for his actions.