The money Rance got in Custom City as payment for his latest detective work has been long gone. The brave private investigator with an eye on pretty women is now jobless again. At least his lovely purple-haired girlfriend and assistant Sill is still with him. Meeting a girl from the Kingdom of Leazas makes Rance hope for a better future. His boss Keith offers him what seems like a routine job: venture into a nearby cave and save a girl from monsters. An adventure full of danger and encounters with beautiful women begins!