Simon is a very old, very tired cat. After a long and wonderful life filled with cozy naps and happy memories, he is starting to feel like his best days are behind him. In fact, he is just about ready to give up entirely. But his loving family notices his gloomy mood and comes up with a brilliant, unexpected solution to lift his spirits: a tiny, energetic new kitten. At first, the bouncy little newcomer is a surprise, but soon, Simon finds himself with a very important job. Teaching the kitten how to be a proper cat gives him a renewed sense of purpose and plenty of things to look forward to every single day. This tender and beautifully illustrated story captures the special quirks that make cats such beloved family members. It is a heartwarming celebration of intergenerational friendship, proving that there is no limit to the power of love, no matter your age.