Sophie对Jimi喜欢得不得了，给他的点心多得快要让他窒息。她觉得他拥有一只猫想要拥有的一切。而Jimi确实……，但是他并不……因为Jimi偷偷地渴望着探索外面那个明亮而热闹的世界。有一天，Sophie跑出家门，忘记了带钥匙。只有一个办法可以去外面：Jimi迅速地穿上他的衣服，然后迅速地离开家，和Sophie一样！他会去哪里呢？在这些疯狂而令人激动的街道上，他会遇到谁呢？Sophie到底会说什么呢？

Sophie absolutely adores Jimi and smothers him with treats. She thinks he has everything a cat could possibly desire. And Jimi does ... but he doesn't ... because secretly Jimi longs to explore the bright and bustling world outside. So when Sophie rushes out one day forgetting her keys, there's only one thing for it: Jimi slips on his coat and skedaddles out of there, too! Where will he go and who will he meet on those wild and exciting streets? And what on earth will Sophie say?

Children and parents alike will rejoice in this funny, stylish and heart-warming celebration of freedom, adventure, friendship and love.