Edwina Watts is the Mayor's deputy. When the mayor refuses to listen to her warning about his plan to put his name in lights, she heads down to the prison but is electrocuted. She renames herself Stunner and plots to release an evil source of electricity on the City of Angels.
When Mayor Worth ignores the warnings of his Deputy Mayor, Edwina Watts, and proceeds with his plan to put his name in lights, Edwina is accidentally electrocuted and becomes the villainess Stunner. She threatens to unleash her raging electrical current through every outlet in the city, turning household appliances into deadly bombs.