The Unknown(1999)

The Unknown is a mystery series that traps ten strangers on a remote island after each receives a cryptic invitation. As they arrive, deaths begin mounting in quick succession, and the survivors face a chilling truth: the killer walks among them. With no escape and trust eroding fast, the group must untangle the mystery of who invited them and why before the body count rises further. Tension builds as alliances form and fracture, secrets surface, and paranoia takes hold. Every guest becomes a suspect in this claustrophobic thriller where isolation amplifies fear and no one is safe.