In the third season finale, Allison's life, along with the lives of her family, is uprooted as her psychic abilities are revealed to the public. Allison must now find a way to catch the "recapitator" serial killer on her own, as she can no longer turn to Devalos or Scanlon for help.
Now that Allison's special abilities have been revealed to the public, everyone's lives have been turned upside down. Allison starts to have dreams about a boy who was kidnapped from a toy store, but is unable to turn to Devalos or Scanlon for help. She decides to call the company hired by the missing boy's family and makes an unusual deal with the company's investigator, Cynthia Keener.
Allison tries to help investigator Cynthia Keener find a missing teenage girl. Meanwhile, Ariel dreams of Allison's high school days from the 80's after being asked out to a concert without any chaperons.
Joe brings a reluctant Allison with him to a party at a prospective employer's house. Later on, the employer's daughter disappears, leading Allison to connect her recent dreams about Paris to the disappearance. Now it's up to Allison to save the daughter, which coincidentally will also secure Joe a job.
A young deaf girl is kidnapped, causing Allison to completely lose her hearing. With Allison at a loss, Joe decides to help her and Cynthia Keener investigate the kidnapping.
Larry Watt, a defense attorney who has caused trouble in Allison's past, asks Allison to be a consultant for him. Low on money, Allison accepts his offer. She later has a dream that his client murdered his wife.
Devalos tries to reclaim the D.A.'s office. Allison's support of Devalos is tested when she has visions of Senator Jed Garrity, Devalos' strongest political supporter, involved in a horrible conspiracy.
Joe's mother pays a surprise visit, which worries Allison because she hasn't seen her since her psychic abilities became public knowledge. Meanwhile, Cynthia Keener tries to push Allison's dreams towards outstanding cases and Devalos and Scanlon are reunited with Allison in an unexpected way after an arson-related murder.
Allison tries to find the link between Ariel's prediction of a classmate's mother's death, dreams related to her case with Cynthia, and Devalos' murder case. She also must try to keep her mother-in-law Marjorie's secret hidden from Joe.
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.
A shocking and brutal conclusion awaits Allison and Cynthia as they delve into the decade-old case of the kidnapping and murder of Cynthia's daughter. Meanwhile, Joe tries to get funding for a new invention and Bridgette predicts good fortunes for her dad.
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.