Call of Duty: WWII’s first DLC pack begins today, and it looks like it’ll be a pretty big bonus to the game. With a theme concentrating on the resistance to Axis occupation and a War mode map based on prisoner liberation, it’ll also be expected to have a fairly serious tone. But the new trailer for the pack is not serious at all.

Following in the path of earlier live-action trailers, this one highlights some Call of Duty followers who get a little too enthusiastic about the game. They start plotting their resistance in the real world, although it’s unclear who, specifically, the occupiers are. You can watch the trailer in the embed above.

The pack comes with three regular multiplayer maps, called Valkyrie, Anthropoid, and Occupation. It also highlights a new War mode map, titled Operation Intercept, which requires one side to rescue Resistance fighters and escape. Finally, the pack comes with a new Nazi Zombies mode, The Darkest Shore.

The Resistance DLC launches for PS4 today. As usual, we don’t know its exact date yet on other platforms, but Call of Duty DLC arrives the month following for Xbox One and PC. If you own Call of Duty: WWII’s $50 season pass, this DLC is now included, but you can also buy it individually for $15.

Ahead of its launch, a new limited-time Call of Duty: WWII event has begun for everyone. Also called The Resistance, the event is open and runs through February 27. It adds new weapons, gear, and a new Division, and it marks the return of the ridiculous Prop Hunt game mode.