Allison's life is turned upside down when her psychic powers are revealed to the public. Unable to turn to Devalos and Scanlon for help, Allison must find a way to bring the “recapitator” serial killer to justice on her own, on MEDIUM.

Meanwhile, the Dubois family struggles to pull together now that Allison's abilities are in the public eye.

當Allison擁有超自然能力一事被公開後，她的生活起了180度的轉變，而家人亦需要應付因此事而引起的壓力。Allison在未能向Devalos及Scanlon求助的情況下，必須以一己之力，令連環殺手接受法律的制裁。