Mariah Carey's Hallmark Channel Christmas Movie Looks Like What You Imagined

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The 'All I Want for Christmas Is You' singer worked behind and in front of the camera on this all-new, totally necessary holiday flick.

The trailer for Mariah Carey's family-friendly Hallmark Channel Christmas movie is here, and it's exactly what you'd imagine.

The teaser for A Christmas Melody, which Carey directed and stars in, doesn't give much away about the story -- in fact, it's just a collection of random shots. But one thing’s for sure: A holiday music recital is somehow crucial to the plot (maybe).

WATCH: Mariah Carey Jokes She'll 'Always' Be a 'Diva' on the Set of 'A Christmas Melody'

While you'd never know it from the trailer, the film's official synopsis reveals that Carey stars as Melissa, the president of the PTA, and the antagonist of the film's hero, Kristin (Lacey Chabert).

Kristin, who was Melissa's rival in high school, is a "stylish divorcee" and "a talented clothing designer" who leaves her "small Manhattan boutique" and returns to her home town in Ohio, with her young daughter Emily (Fina Strazza). Eventually, "with a little holiday magic and music," the mother and daughter discover that "home is where the heart is."

MORE: 9 Reasons the Mariah Carey Christmas Movie Makes Perfect Sense

While this sounds like it's almost a parody of a Hallmark Channel movie, the film's IMDb summary portrays a film that sounds a bit stranger and fantastical: A Christmas Melody is about "a gift of music transports people back to another time and place where they find their truest feelings."

Only time will tell how much holiday cheer can be stuffed into one movie, but if this trailer is any indication, A Christmas Melody will be pushing the boundaries.

RELATED: Mariah Carey Releasing Children's Book Based on 'All I Want for Christmas Is You'

In October, ET met with Carey on the set of A Christmas Melody, where the 45-year-old superstar joked that she's "always going to be a diva." Check out the video below to hear more from the "All I Want for Christmas Is You" singer on directing her first film.