Splintered: "Darkness Comes" (13:19)
IMDb; YouTube

A former Marine named Sean suffers from PTSD, and struggles with both his own nightmares and his son's, after his wife was murdered and he wasn't able to protect her. The nightmare eventually seems to come to life, and may be more than Sean can handle, unless he is willing to confront his trauma. But he'll do whatever it takes to protect his son.