Medusa, the owner of a ritzy mineral spa, abducts the city's most eligible bachelors, including Darcy's partner, Steve. When Medusa starts turning them into statues, only Black Scorpion can save them.

When Minerva Stone was young she had one fear: being rejected by boys. What she didn't know was that they were afraid of being rejected by her. One Halloween night some boys sprayed her with some water but it turned out to be acid. Now she hides out in a Heath Spa with some magical water that allows her to hide her ugly face, renaming herself Medusa and planning to seek revenge on all the men who rejected her.

Darcy and Steve team up while hunting for a weird character called Cupid. Meanwhile Darcy's ex-boyfriend Adam Burns, a.k.a. Inferno, and Steve's ex-girlfriend Minerva Stone, a.k.a. Medusa, team up to plot against Black Scorpion.

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 villainesse Stunner. She threatens to unleash her raging electrical current through every outlet in the city, turning household appliances into deadly bombs.