The Matsuno brothers try to adapt their show to contemporary times, with mixed results.

The Matsunos are invited to Hatobou's birthday part. Meanwhile, Iyami discovers that his buckteeth contain a rare metal.

In an apocalyptic world, the Idol Matsunos battle against Iyami and Dekapan, who are robbing the dry-skinned citizens of all of their lotion. Ichimatsu is forced to pretend to be Karamatsu after Osomatsu catches him wearing his clothes.