The Team is On the Scene - 9-1-1: Lonestar

The crew races to a disaster at a wave pool, and an outbreak of mercury poisoning that is leaving its victims in a zombie-like state. Meanwhile, Owen must come to terms with his illness and what the side-effects of treatment may do to his vanity. Also, Michelle follows a new lead on her missing sister while TK is unsure how to handle his budding relationship with Carlos.
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Tensions Between Colleagues. - 9-1-1: Lonestar

Nearly 20 years ago, OWEN STRAND (Emmy Award nominee Rob Lowe, “Parks and Recreation,” “The West Wing”) was the lone survivor of his Manhattan firehouse on 9/11. In the wake of the attack, Owen had the unenviable task of rebuilding his station. After a similar tragedy happens to a firehouse in Austin, Owen, along with his troubled firefighter son, T.K. (Ronen Rubinstein, “Dead of Summer”), takes his progressive philosophies of life and firefighting down to Texas, where he helps them start anew.
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9-1-1: Lone Star Season 1 Quotes

Owen: Well, I'm flattered, but if you're gonna put diversity first, shouldn't you hire somebody who's, you know, diverse?
Radford: We need somebody like you. We need somebody who truly understands how much rebuilding this house is gonna heal the community.

Doctor: You were at Ground Zero when the buildings came down, yes?
Owen: [nods] Yeah.
Doctor: Then I don't have to tell you by the 20th anniversary of 9/11, more survivors who were there that day and during the cleanup will get sick or die than people killed on 9/11 itself.
Owen: This is going to kill me, isn't it?