WATCH: ‘Concussion’ Trailer

Will Smith is headed to theaters this winter for a chilling new drama titled Concussion, and the trailer for the flick will cause your head to spin.

Based on a true story, the movie follows Dr. Bennett Omalu, a scientist who discovers a neuro-degenerative disease caused by repetitive head trauma after examining the brains of ex-pro athletes.

His findings threaten the authority and safety of major corporations including the NFL, but his dedication and passion send him on an unforgettable journey that helps him reveal the truth.

Also starring Gugu Mbatha-Raw, Richard T. Jones and Adewale Akinnuoye-Agbaje, the film opens on Christmas Day.

Check out the trailer below.