Every single night, Marie Elaine watches her cat Malcolm slip out the door, and every morning she finds him fast asleep. She wonders exactly where cats go when the sun goes down. One evening, she catches Malcolm at his cat door wearing his very best clothes. She begs to go with him, and surprisingly, Malcolm says yes. There is only one catch. She has to put on her fanciest dress, shrink down to the size of a cat, and promise to keep the whole journey a secret. Soon, Marie Elaine and Malcolm are racing through the dark city streets, dodging grumpy neighborhood dogs, and balancing on tall brick walls. Their thrilling rooftop journey leads them to an amazing hidden party filled with cats from all over town. They are all waiting for the special arrival of the Queen of the Cats. Get ready for a magical nighttime adventure you will never forget.