Inca, a Siberian puss, tells the story about her furry family - her brother Fromage, who is addicted to cheese and considers himself a cheese monger, and her sister, Cara, a gorgeous but timid Siamese. Inca, an avid fan of Dr. House, considers herself the leader of the troupe and responsible for the well-being of the family. They own, according to Inca, Missy, a young humanoid who has a well-established cheese shop in Paris. The story revolves around how Missy decides to move to London with her co-partners, Jacques and Genevieve, to run their new cheese shop and café.

Inca the Siberian kitty and her furry detective team are entangled with international spies and the shadowy Ninja Spy Cat in this amusing animal mystery.  

When Inca and family move to London from Paris, they make a whole new set of friends, including Monk, a Blue Russian cat, and Terrence, a golden retriever who ably and bravely assists his world-famous detective owner, Solo. Inspired by the adventures of her new friends, Inca sets herself the task of becoming the world's best cat detective and begins to keep a diary of her exploits.

Inca the Siberian Kitty can’t wait to visit her homeland, Russia. The detective kitty learns that a local museum needs her crime-solving skills to track down a valuable stolen Fabergé Egg. With her trusty diary in tow, Inca leaps whisker-first down a trail of clues that leads into the famous Peterhof Palace located in Peterhof close to Saint Petersburg, Russia. She learns about the country’s rich history and just how important it is to restore the famous Fabergé Egg to its rightful place in the Fabergé Museum.