Moira Shaw is killed by her fiancé, Captain Preston, and bestie, Jean, during a snake infestation on a flight. Reborn, she foresees a snake invasion and deadly thunderstorm. She warns, but no one believes. Moira Shaw teams up with Susan Sullivan to expose accomplices: First Officer Robin and snake smuggler Shen. The snake infestation breaks out, and the plane crash-lands. Survivors face a giant python and betrayal, battling for survival.