The Astounding She-Monster (1957)

Plot

A wealthy heiress finds herself in the clutches of a gang of kidnappers, but their plans take a dangerous turn when a stunning yet deadly alien arrives after crashing her spaceship. As she wreaks havoc on Earth, the gang struggles to control both their captive and the extraterrestrial threat. Meanwhile, a scientist becomes embroiled in the chaos, attempting to understand the alien's motives while navigating the perilous situation. The clash between human greed and otherworldly power unfolds in this thrilling sci-fi adventure.