Sophia loves cats but her parents think she and her sister are too young to have one of their own. So when a tiny kitten creeps through the fence from next door's garden, Sophia immediately falls in love with her. Then Sophia hears that her neighbours are moving away. She won't get to see Willow any more! To her surprise, though, the little kitten is left behind. Can Sophia convince Mum and Dad to give Willow a new home?