Laura and her class are studying the star constellations at school, and have a field trip planned to study the Milky Way under the real night sky. Laura and Kana are all excited because they will have plenty of stars to wish on. Kana says jokingly to Laura that if you wish on a star at the same time as someone else, the two of you will fall in love. Laura, half believing, sets her mind on standing by Travis when her class goes to see the stars so that they can make a wish on a star together. Hamtaro is confused about this Milky stuff in the sky, reports to the Ham-Hams that Laura is about to go way far away to make a wish on a star with Travis. At all costs, the Ham-Hams set out to keep Travis away from Laura so that she cannot go with him to wish on a star. But to Laura's eyes, it looks like Roberto is trying to keep her from being with Travis. Luckily, the good-natured Roberto is up for proving his good intentions to Laura, and on the night of the field trip, the sky is alive with st