In "The Great Adventure of the Dirty Pair" Kei and Yuri are summoned to the planet Dangle when the Gravas Heavy Industries facility is destroyed under mysterious circumstances. But what seems like a simple explosion is masking a far more insidious agenda. Then, in "The Case of the Backwoods Murder," a simple murder investigation on the secluded pleasure planet Lamier is complicated when Yuri runs into two childhood friends, one of them a handsome adventurer named Thunder who captures Kei's heart. But what is the secret connection between Thunder and the murder victim?