Relentless 4

Another serial killer is on the loose, and his penchant for ritualistic executions has detective Sam Dietz (Leo Rossi) chasing clues that will lead him to a shocking truth in this fast-paced action thriller. Aided by his new partner, Jessica Parreti (Colleen Coffey), Dietz discovers that the only connection between the victims is his beautiful psychiatrist, Dr. Sara Lee Jaffee (Famke Janssen) -- who's keeping a deadly secret.