With the release of Turtle Rock Studios’ Back 4 Blood less than a month away, the developer has begun teasing more of the game to its prospective players, and this latest one feeds into the game’s narrative. The Back 4 Blood campaign trailer showcases the cast of characters, called the Cleaners, and their enigmatic leader called Mom. Check out the trailer below.

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In addition to the trailer, publisher Warner Bros. Interactive Entertainment also provided a glimpse of the campaign via a short description:

Motivated by their fearless leader known as “Mom,” who is used to bucking authority and has never shirked from a challenge, the Cleaners are a beacon of hope in humanity’s fight against the Devil Worm infested zombies. Mankind stands on the precipice of extinction against the infected hordes that now roam the earth. Only the Cleaners can hold back the tides of the infected and rally those willing to fight and reclaim what was theirs.

Back 4 Blood is releasing for the PlayStation 4, PlayStation 5, Xbox One, Xbox Series X|S, and Windows 10 PCs on October 12.