From the Urban Dictionary: Trappin: The act of dealing or selling illegal drugs for the accumulation of wealth. Drug dealers often partake in “Trappin.” The word originates from Atlanta. "I was trappin' on the corner when the 5o rolled up" or "He is trappin' at the party and making a killing."

Midnight Black is an Atlanta record producer who has worked with Young Jeezy, 8Ball & MJG, Greg Street and others. He wrote and did the music for this.

Director and co-writer Lisa Maydwell also wrote Haunted Trail, a movie that was on the site a few weeks ago. 

As for the story, it's about Granny... read the rest.