This is a photo from "Eye for an Eye." It's an episode of Vikings Season 2.
Added:
Ecbert must meet with Ragnar face to face on Vikings. "Eye for an Eye" is the fourth episode of the show's second season.
Added:

Vikings Season 2 Episode 4 Quotes

King Ecbert: Are you saying if I offer you some land we can make a deal?
Ragnar: It's possible.

I want to attack Kattegat now. I want to destroy Jarl Borg. I want to make him suffer as he has made my family suffer.

Ragnar