Still surprised with the recent revelations about Don Armage, the Kyurangers depart to answer a distress signal from Planet Luth, where Lucky was raised.

After liberating Lucky's home planet, the Kyurangers split into two groups again, looking for the means to break into Planet Southern Cross to confront Don Armage, but Shou is starting to feel left out, as Tsurugi has been a better leader than him.