Laura takes a floppy disk to her father's office. Hamtaro, Oxnard and Penelope are trapped inside her purse and Oxnard drops his sunflower seed. Hamtaro, Oxnard, Penelope and the disk fall from Laura's purse, only to find the sunflower seed and meet a hamster named Jingle with a guitar. After arriving at her father's office, Laura discovers the disk has disappeared and looks for it with her father. Hamtaro, Oxnard, Penelope and Jingle find the disk and put it in Laura's pocket, where her father finds it.