Gray Matter (2010) is a Mystery, Horror film that follows through a series of strange events, Henry and Bertie discover that Ritchie Grenedine has been undergoing a sinister biological change. After consoling Ritchie's distraught daughter, The men set out on an errand to uncover the grizzly truth of Ritchie's transformation and eventually learn what's behind the disappearance of two local girls. Gray Matter is not currently listed with streaming providers in your selected region, but availability can change over time. Fans of mystery movies may also want to explore similar titles below.