Detective Aidan Black, a seasoned officer, transfers from the elite Emergency Task Force unit to the Psych Crimes and Crisis Unit after struggling with post-traumatic stress disorder. During the required counseling period, he finds himself at odds with his assigned psychiatrist Dr. Daniella Ridley. Against their wishes, Black and Ridley soon find themselves forced to work together as a newly formed Psych Crimes Unit along with Poppy, a young cop cynical beyond her years and Leo, a compassionate psychiatric nurse. Together they combine police investigative skills and psychiatric insight to resolve crises and solve crimes.