On the hunt for an escaped murderer, Charlie and Rex are held hostage, but when a greater threat emerges, Charlie and his captor are forced to work together.
After a mummified body is discovered in Newfoundland's tundra, Hudson & Rex set off in search of a community of survivalists who may be harboring a murderer.
Two sisters struggle with the highs and lows of keeping their dead mother's dream alive by healing abused and neglected horses with their grandfather on a farm.
Jamie volunteers himself to a week-long ride with an officer who has confessed against her partner; Erin and Danny dispute when a closed case is revisited.
Danny and Baez are assigned to work with two temporary partners when an outed officer is abandoned by his former partner; Frank addresses police equality.
Frank is put in a difficult position after Danny is charged with using excessive force; Eddie becomes jealous when Jamie bonds with an attractive doctor.
Jamie is victimized after helping a woman who is suffering from an abusive relationship; inconsiderate remarks made by Henry are taped and leaked to the masses.
Frank and Danny lack the plausible evidence to indict an international criminal who repeatedly gets away with murder; Danny cannot see eye-to-eye with his boss.
Frank is taken by surprise when the interim District Attorney unexpectedly joins him during an on-air interview; Danny and his new boss go on a ride-along.
A young woman is abducted from the same spot her friend was murdered two years earlier, and Charlie & Rex trail the suspects from the original investigation.
Charlie and Rex investigate a murder that seems to mimic a crime spree, so they try to stop the murderer before he can continue to copy the serial killer.