9-1-1: Lone Star

As T.K. and Carlos prepare for their wedding day, tragedy strikes.

Owen is conflicted when his brother Robert asks him for help.

When Tommy and Judd disagree on protocol during a rescue at a paper mill, a feud develops between the 126 EMS and Fire; Owen awaits news that could change his and T.K.'s lives forever.

Grace and Carlos work together when they suspect a young woman was a victim of a black market organ trafficking ring; Owen's brother Robert comes to visit and meet T.K., but surprises Owen with news that can affect the Strand family.

Owen enlists Paul's help in proving Kendra's innocence; Tommy deals with church gossipers over her relationship with Pastor Trevor.

Owen is shocked by a secret Kendra has been keeping from him; Grace confronts her father about his past infidelity.

The 126 helps Marjan enter the dating world through a series of chaperoned dates; Owen and the team are called to the rescue when a pregnant woman takes her anger out at a motel where she suspects her husband is cheating on her.

The 126 races to rescue a woman with an arrow shot into her head; Judd is doubly surprised by news Wyatt shares; Mateo helps a family member in need and comes to regret it.

Tommy faces off against her former employer, Paragon Medics, as they deal with emergencies; Owen hits it off with a beautiful woman he meets at a fundraiser.

On her way back to Austin, Marjan is in for the fight of her life when she is targeted by a killer.

The 126 must rescue a father and son involved in drivers ed lesson gone haywire; a self-help guru who has lost his self-control; Owen helps plan T.K. and Carlos' wedding; Marjan is suspicious when she meets a couple on her road trip.

Capt. Strand and the 126 help a husband whose wife "dies" when she is not upside-down; Grace takes a call from a pizza delivery driver who is in for the shock of his life; Tommy is worried Trevor's young daughter is a bad seed.

Capt. Strand reveals to the 126 he has been working with the FBI to help bring down a domestic terrorist group; the team responds to a bomb threat at the State Capitol.

Owen helps defend Marjan when a rescue complaint forces her to make a challenging ethical decision; Grace befriends a young boy who becomes a frequent 911 caller, but when she discovers he may be in some real danger, she must step in.

As Owen wears an FBI wire for his meeting with O'Brien, The Honor Dogs crash the meet-up and let them know there's an infiltrator in their midst; a frantic TK desperately searches for a missing Carlos, who is being held captive.

As Owen is pulled deeper into the FBI's investigation of the motorcycle gang, Sgt. O'Brien makes a confession to him; Grace and the 126 answer a call from a man who says his girlfriend slipped over the side of a cliff; Carlos searches for a friend.

Strand and the 126 race to the rescue when a woman is trapped in her mobile house; Owen has a run-in with former nemesis Sgt. O'Brien; Tommy asks Grace for dating advice.

The 126 is called into action to a county fair when a fast-moving group of severe thunderstorms hits Austin, Texas; Owen's newfound passion for motorcycling puts him on a potentially dangerous path; Tommy meets an attractive single father.