Major Palgrave, an idiosyncratic but charming mystery writer, reveals to Miss Marple that one of the guests at a luxurious Caribbean resort they're staying at is a Bluebeard-type wife murderer. Unfortunately, the Major succumbs to an apparently accidental overdose of alcohol and blood pressure medication before revealing the killer's identity. When it's discovered that the medicine belonged to another guest and the revealing photograph the Major was carrying is missing, Miss Marple realizes that the serial killer has struck again and more murders will follow.
In 1979, a young girl stumbles upon a possessed tape player. She unknowingly unleashes a demonic entity that haunts her family while slowly dragging the small town of Clarkston to Hell.
Maggie (Serinda Swan) is a tough and ruthless member of the all-female Dark Moon motorcycle gang led by the merciless Trigga (Pollyanna McIntosh). After Maggie's cousin is attacked and drugged at a party, the gang rides out to take revenge into their own hands. The attackers, led by Keegan (Jake Lockett), don't see the fury coming and a war breaks out with Maggie and Brian (Diego Boneta) caught in the middle as both sides race towards a violent showdown to end it once and for all.