As Danny searches for the gang member who shot one of his family members, he takes on a more methodical approach to locating witnesses with vital information.
Danny gets a tip about three bombs at an apartment, but only finds two when he arrives; Jamie gets a different tip, this time from a girl working at a club.
After Ty brings in a mistreated Tennessee Walker to Heartland to recover from its treatments, Amy decides to go undercover to help bring the abusers to justice.
Amy works with a horse that has a fear of water; Jack learns that the horse is owned by a person with a romantic link to him, which reignites past feelings.
Mary's documentary about sex draws fire from viewers, but Phyllis says Bess liked it and she thinks Mary is the ideal one to explain the facts of life to her.
Lou breaks his rule about fixing up his buddies when Mary overhears the fascinating voice of his best friend and insists that he arrange an introduction.
The Mexican hotel at which Mary and Rhoda want to stay is booked up, but a Mexican waiter offers to find them another if they will deliver a package for him.
Mary wants to move up the ladder at WJM, so she gets Rhoda to join her in taking a night class in television journalism and then starts dating the instructor.
Reba and the family revisit the major episodes in their lives that led up to Kyra's painful decision to leave home and move in with Brock and Barbra Jean.
Reba and Barbara Jean decide to initiate a stakeout after hacking into Kyra's e-mail account and learning of an unsupervised party she plans to attend.
Brock's agonized confession that he tried marijuana shocks Barbra Jean and prompts Cheyenne to make a confession about her own brush with the drug world.
Vanessa convinces Mike to hire a housekeeper, leading to a discussion about immigration and having Ed check the green cards of the workers of Outdoor Man.
Mike is so impressed with Mandy's new boyfriend that he offers him a job under Kyle's supervision; Mandy realizes that Kyle is covering for her boyfriend.
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.
The team tries to determine why they were targeted in the assaults and investigate whether a larger plan might be in place; Nolan prepares for his wedding day.
The team celebrates as John and Bailey tie the knot in a special wedding ceremony; Celina comes across a new discovery upon finding a discrepancy in her case.
Danny receives an ominous message; Erin considers applying for judgeship; Frank is accused of privately investigating the husband of a mayoral candidate.
Danny learns that a convict he wrongfully helped put in jail has escaped; Gormley criticizes an NYPD sergeant, who he believes is cheating with his wife.