A PSA-style promo video for Maze Runner: The Scorch Trials explains the flare virus in simplistic detail. Check it out below and be sure to leave us a comment with your thoughts.

Video: Watch the exhilarating first trailer for Maze Runner: The Scorch Trials

A description from FOX: 

Thomas (Dylan O’Brien) and his fellow Gladers face their greatest challenge yet: searching for clues about the mysterious and powerful organization known as WCKD. Their journey takes them to the Scorch, a desolate landscape filled with unimaginable obstacles. Teaming up with resistance fighters, the Gladers take on WCKD’s vastly superior forces and uncover its shocking plans for them all. 

Maze Runner: The Scorch Trials hits theaters September 18, 2015.