Shin Nakajima and his elf wife Saran have brought the ring of elfnappers to justice! Now they are getting some much deserved rest and relaxation at the village of Kopoli. Their biggest problem now is how to help a friend propose. But things can’t stay simple forever. A giant corrosive slime attacks Kopoli! The couple struggles to save the day, only to learn this is just a hint of the danger that awaits the city of Sarprast!