Leon Logothetis, an adventure enthusiast, is a wealthy man who is willing to pay for many things. However, he decides to embark on an experiment and sets off on a grand journey around the world with not a penny to his name. He only has a means of transportation, relying on the kindness of others for everything else. The protagonist believes that compassion is a powerful force upon which a just world is built. In "The Kindness Diaries," Leon will encounter extraordinary characters who will not hesitate to come to his aid in difficult moments. In return, he will present them with an unexpected surprise that will change their lives forever.