Matt rescues Jenny's purse from a thief. This wins him a date with her. Little does he realize she's more than she seems.
A lot more.
He doesn't know how neurotic she is, or that they're being watched by robot birds. He is kidnapped by Professor Bedlam, G-girl's arch-enemy, and questioned about Jenny. After G-Girl rescues him, she reveals that she is Jenny. She then tells him how she became G-Girl, and how she knows the Professor. It seems they have a history, and have known each other for years.
Matt and jenny have serious
relationship problems. She sees every other woman as competition. Plus she's rather violent. He breaks up with her. Breaking up with a normal crazy woman can be difficult. Breaking up with a crazy superhero is beyond dangerous. She begins stalking him.
He has to make a deal with Professor Bedlam to try to neutralize her. Things don't go as expected and whole new problems surface.