'Lindt & Sprüngli (Lindt & Sprüngli Saga 1)' tells the story of Rudolf Sprüngli, a young man in 1826 Zurich, who builds a world-famous chocolate empire through his love for chocolate and tireless ambition. The novel combines historical elements with a touching love story and fierce competition in the confectionery world.

Love plays a central role in the story, as Rudolf Sprüngli falls in love with the enchanting Katharina, who is promised to another. This bittersweet love story interweaves with Rudolf's dream of creating the perfect chocolate, challenging him both personally and professionally.

The competition in the chocolate industry is portrayed as intense and passionate. Rudolf Sprüngli competes with other chocolatiers for consumer favor, and only those who find the perfect balance between tradition and innovation can succeed. The novel provides a fascinating insight into the challenges and rivalries of the confectionery world of that time.