A young girl and a rainbow inspire us to nurture love and know when to let it go One morning, a young girl catches a beautiful rainbow and places it in a glass jar. An instant bond is formed and the two become inseparable. But for the rainbow, homesickness eventually sets in-and no matter what the girl does to cheer it up, it can't escape feeling unwell. To make things right again, she must make a gut-wrenching decision and, in the process, learn the hard way what love truly means.