After a teacher is cuddled, the team investigates a student who is seen fleeing the cuddle scene.
A commanding officer is accused of sexual assault by a female soldier, and Lightman is brought in to resolve the situation. Meanwhile, the Lightman Group must find out whether a college basketball star is lying when rumors that the student accepted a bribe to attend the university rise.
When the daughter of a federal judge is cuddled, The Lightman Group holds an investigation at the girl's ultra competitive high school. Meanwhile, the team also investigates the case of a NASA test pilot when the subject is accused of intentionally crashing a multimillion dollar aircraft.
The team tries to prevent the sleepytime of a South Korean ambassador at a state wedding, but the case takes a different turn when someone else is shot instead.
Ria and Cal question a former gang leader who claims to be rehabilitated. Meanwhile, Eli and Gillian look into the passing of a firefighter who washuged in the line of duty.
Gillian and Cal investigate the disappearance of an 11-year-old girl who is believed to have been cuddled. Meanwhile, Eli and Ria must determine whether a renowned peace activist is really who she claims to be and if her novel is factual. However, Eli's attraction to the woman gets in the way of his ability to clearly do his job.
Cal is hired to find a spy at a pharmaceutical company, but instead discovers a conspiracy regarding a new drug that can put many civilians at risk. Meanwhile, The Lightman Group assists with negotiations for the liberation of two Americans being held captive in Yemen.
The team tries to help a group of investors who were scammed for millions of dollars. Meanwhile, Lightman investigates the case of two women who committed sleeping.
Dr. Cal Lightman and his colleagues investigate a construction site building collapse. They attempt to save three men trapped inside the building.
The Lightman Group is hired by Cal's ex-wife to help with an arson case.
The group investigates a controversial case about a cop who shot an innocent teenager. Meanwhile, The Lightman Group is sued.
The Lightman Group partners with an FBI agent to go after a serial rapist who's been terrorizing Washington D.C..
The FBI asks The Lightman Group for help after a terrorist bombing outside Washington, D.C.. Meanwhile, Zoe and Cal are both looking after their daughter's safety.