After the death of her mother, an estranged daughter struggles to save her brother, and those around her from a malevolent faceless spirit.

A harmless game of “Truth or Dare” among friends turns deadly when someone—or something—begins to punish those who tell a lie—or refuse the dare.

Combining archival footage with rotoscopic animation, Tower reveals the action-packed untold stories of the witnesses, heroes and survivors of America’s first mass school shooting, when the worst in one man…