It appears to be on between Gunnar and Avery. This is a photo from the second season of Nashville.
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There looks to be some tension between Gunnar and Avery in this scene from Nashville Season 2. The episode is titled "I Fall to Pieces."
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You're looking at a very handsome photo of Gunnar Scott. This is a photo from Nashville Season 2.
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Sam Palladio plays Gunnar Scott in "Nashville".
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Nashville Quotes

Gunnar: You can't keep fighting it, Scarlett. Everything that just happened on that stage, the energy, the connection, you and me. It's all still there. I felt it, and I know you felt it too.
Scarlett: Well, as somebody once said to me, all I felt was music.

I wanted to thank you. You changed my life that night at the bluebird. And if I'm gonna lose someone, I'm glad it's not you.

Scarlett