“Stranger Things” star Sadie Sink brings light to the darkness in the trailer for O’Dessa.

The post-apocalyptic rock opera will premiere at SXSW in Texas on March 8 before debuting on Hulu on March 13.

Sadie stars as O’Dessa, a farm girl on an epic quest to recover a cherished family heirloom. Her journey leads her to a strange and dangerous city where she meets her one true love — but in order to save his soul, she must put the power of destiny and song to the ultimate test.

Kelvin Harrison Jr., Murray Bartlett, Mark Boone Junior, and Regina Hall co-star.

Geremy Jasper (Patti Cake$) wrote and directed, in addition to creating the film’s 16 original songs with Jason Binnick (Patti Cake$).

Michael Gottwald (Beasts of the Southern Wild) and Noah Stahl (The Guilty) produced for Searchlight Pictures.