"Fei, fei — fly, fly, little birds, but always come home to me!" Mei-Mei and Di-Di are head-over-heels in love with their new doves. Like devoted parents, the siblings tenderly nurture Butterfly and Squeaky as they grow from chicks to fledglings to birds. But when Mei-Mei and Di-Di arrive home to find that the doves have disappeared, their young hearts break into a thousand pieces — and they run away, determined to reclaim their beloved birds. Will Mei-Mei and Di-Di return home with the doves before they break their own parents’ hearts?