'Blue Bloods' Premiere: A New Reagan Dynamic — Plus, Lou Diamond Phillips Guest Stars! (PHOTOS)

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John Paul Filo/CBS
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Richard Boeth/CBS

Jamie (Will Estes) and Eddie (Vanessa Ray) may be a couple but they were partners first.

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John Paul Filo/CBS

Frank (Tom Selleck) remains the picture of poise as the Reagan family patriarch.

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John Paul Filo/CBS

What has Danny (Donnie Wahlberg) all worked up?

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John Paul Filo/CBS

Things will get personal when Danny books cartel member Louis Delgado (guest star Lou Diamond Phillips) for a crime.

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Jojo Whilden/CBS

Erin Reagan (Bridget Moynahan) is all about business in Season 9.

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John Paul Filo/CBS

It won’t be an average interrogation for Louis Delgado and Danny.

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John Paul Filo/CBS

There’s nothing like a heart to heart between a father and his son, which appears to be the case with Jamie and Frank.

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Jojo Whilden/CBS

We spy Erin’s name on the door behind Eddie. What could these future sisters-in-law be discussing?

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Jojo Whilden/CBS

Aasif Mandvi will guest star as Samar “Sam” Chatwal, one of Erin’s coworkers and someone vying for the open DA seat.

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John Paul Filo/CBS

Louis Delgado won’t make things easy for the Reagan family in the premiere.

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It's almost that time of year... Blue Bloods is returning to CBS!

In celebration of the show's ninth season, we're sharing some images of the Reagan family from the premiere. As fans know, the Season 8 finale saw Eddie (Vanessa Ray) and Jamie (Will Estes) revealed their plans to marry. So where do we go from here?

A lot can change when a wedding comes into play, especially if the couple in question also works together as partners on the police force. "This idea that they’d be engaged to be married, and yet still riding together as cop partners — we had to address that right at the top," executive producer Kevin Wade tells Entertainment Weekly about the upcoming season.

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When it comes to the family dinners, though, that will be an adjustment, Wade ays. "It’s an injection of nitrous oxide into that dinner table. It throws off the balance — in a good way."

Click through the gallery above for a sneak peek at what's to come in the Season 9 premiere!

Blue Bloods, Season 9 Premiere, Friday, September 28, 10/9c, CBS