In the chilling horror film Chain Mail, a seemingly harmless online chain letter becomes a conduit for terror when a group of friends, including the skeptical Meg Imperial and the increasingly paranoid Nadine Lustre, decide to break its ominous rules. What begins as a digital dare spirals into a waking nightmare as each participant is stalked by a vengeful supernatural force tied to the message's dark origins. Directed by Patrick Lussier, the story weaves together their desperate attempts to uncover the truth behind the curse, revealing hidden connections and personal secrets that make them all targets. As the body count rises and the line between the virtual and the real blurs, they must race against time to stop the cycle before the chain letter claims its final victim, crafting an atmosphere of relentless dread where every forwarded email could be a death sentence.