When Ivy's friend Kei suggests that they camp in the garden overnight, Ivy is nervous about sleeping outside in the dark. But brave Queen Sardine promises to keep guard all night! As the camping sleepover looms Ivy starts to worry, and Queen Sardine is worried too: Big Molly has upset the other cats on Kipper Street by eating from their bowls and muttering. Why is she behaving so strangely? Camping out is wonderful and the girls have great fun—until they are woken by frightening noises in the night. Her Majesty investigates, only to discover that Big Molly has given birth to four gorgeous kittens! But one of them has wandered off. Is Queen Sardine brave enough to find the lost kitten?