After Alison has a terrible dream of her soldier brother dying, she gets a surprise at her front door. Meanwhile, Allison and Devalos work on an arson case and Allison has trouble getting information from the ghost of a young girl who died in the fire.

Joe serves his jury duty on a case against a man accused of murdering his rich wife. Allison starts having visions about the man but D.A. Devalos orders her not to work on the case because of a conflict of interests.

Allison can't get a psychotic murderer out of her head which makes Joe worry about his daughters' well-being.

Allison helps famous FBI Profiler with a serial killer case. Joe gets concerned when Marie starts to watch static on TV.

While working to locate a missing local girl, Allison learns about secrets from Cynthia Keener's past. Meanwhile, Joe's relationship with Allison is tested after Bridgette's science class project sparks his imagination.

As Allison teams up with Scanlon to track down the dangerous "cougar" they believe is responsible for the murders of young men, she also has visions that Devalos' campaign is in jeopardy, with someone plotting against him.

Allison meets Meghan Doyle, Joe's new business partner. Meanwhile, her old car stops working and Joe surprises her with a nice looking used car. The car ends up being the center of a horrible unsolved crime though.

Allison investigates when a brother and sister report the disappearance of their mother. Meanwhile, Joe's sister moves in with Joe and Allison after walking out on her husband Ryan, but Joe's father has advice from beyond the grave about her relationship.

Allison comes face-to-face with her stalker from her dreams. He believes he is doing God's work and must stop her. Allison and her family must remain under house arrest until they capture him. Meanwhile, Joe agonizes over whether or not to make a big gamble that could potentially save his company.

Allison’s possessed stalker, Lucas Harvey, continues to torment her by infiltrating her dreams and causing her to be less than reliable to Devalos and Scanlon during an investigation of serial killings.

Meanwhile, Joe tries to use Marie's new gift of picking the right stock as a way to save his company.

Allison leaves her job at the D.A.'s office after she's recruited to work for the Lydecker Corporation by another psychic who works there. While enjoying her new job, Allison still regrets leaving the D.A.'s office so suddenly, and has dreams about a serial killer running loose in Phoenix. Meanwhile, extenuating circumstances cause Ariel to start taking pills.

Odd things occur for Allison, starting with her new sensitivity to light and the fact that the sunglasses she wears shows mysterious numbers that can tie into people's life expectancies. Like that wasn't enough, Allison has a dream about Joe's dad, causing Joe to begin taking better care of his health.

Allison teams up with a dead man to help solve a case, only to realize she's been hoodwinked.

Allison bonds with the mysterious girl from her dreams who she now must protect when the serial killer eyes the girl as the next target.

When Allison begins having flashes to a specific time in the future, her sense of dread grows as she feels more and more powerless to stop a catastrophic event from occurring.

Allison's visions about the convicted sex offender new to her neighborhood have her questioning his guilt, even though her neighbors are furious about him moving in. Plus, Joe's potential career opportunity doesn't mesh with Allison's professional future.

When Allison becomes a lawyer and Joe starts a new job, the Dubois family is forever changed on the series finale of Medium.