Two major definitions of "spiral" in the American Heritage Dictionary are:

a curve on a plane that winds around a fixed center point at a continuously increasing or decreasing distance from the point.

a three-dimensional curve that turns around an axis at a constant or continuously varying distance while moving parallel to the axis; a helix.

A sadistic mastermind unleashes a twisted form of justice in SPIRAL, the terrifying new chapter from the book of SAW. Working in the shadow of an esteemed police veteran (Samuel L. Jackson), brash Detective Ezekiel “Zeke” Banks (Chris Rock) and his rookie partner (Max Minghella) take charge of a grisly investigation into murders that are eerily reminiscent of the city’s gruesome past. Unwittingly entrapped in a deepening mystery, Zeke finds himself at the center of the killer’s morbid game.

Research Exercise – Spiral Staircase

Movie Summary