The Night Before follows the misadventures of several strangers in a dive bar one Friday night. El Borracho a dangerous, vile, womanizing maniac. Charlotte the Black Widow a dangerous young woman with a short temper and dangerous agenda who invites her friends Lauren and Jenn out for drink. Liz and Erik, a pair of homicidal killers bent on revenge against their former friend Jenn. Shane a up and coming rock star with a dark secret and a unhappy girlfriend named Kim. Mitch and Julie a happily married couple looking for some adventure that get caught up in the madness. And Jake a wise cracking bored bartender stuck watching over these people. As the night progresses truths are revealed, shots are taken, fights break out and a evil is unleashed.