Laura's father asks her to deliver an important floppy disk to his office. While Laura packs her bag, Hamtaro gets trapped inside. On the way to Mr. Haruna's office, Hamtaro picks up two hitchhikers, Oxnard and Penelope, who have just escaped from an angry crow. When Oxnard's sunflower seed falls to the ground, Oxnard jumps out of Laura's bag to go after it, and Hamtaro and baby Penelope follow, not knowing that the yellow disk has slipped out of Laura's bag too. The hamsters get lost in the park and run into Jingle, the wandering Ham-Poet, who plays them prophetic ballads on his guitar. Soon an upset Laura appears, retracing her steps with her father, and when the Ham-Hams overhear that she has lost the floppy disk, they feel they must help her find it (even though they are not sure what a 'flo-pee' disk is for). Soon they discover that the rambling Jingle has found the disk and plans to use it as his new, hard, square, yellow pillow. Knowing that it's more important than a pillow, (thetvdb.com)