Robert Langdon

In 'Angels & Demons', Harvard symbologist Robert Langdon is summoned to help solve a murder at CERN, the world's largest particle physics laboratory. He discovers a secret society called the Illuminati, who plan to destroy Vatican City using a stolen canister of antimatter. Langdon races against time across Europe to save the Vatican from devastation while uncovering a deeper conspiracy.

In 'The Da Vinci Code', Langdon is called to the Louvre after the murder of the curator, Jacques Saunière. The curator leaves behind a series of cryptic clues that lead Langdon and cryptologist Sophie Neveu on a thrilling quest across Paris to uncover a secret that has been hidden for centuries, tied to Leonardo da Vinci and the Holy Grail.

In 'The Lost Symbol', Langdon is summoned to Washington, D.C., to give a lecture at the United States Capitol. Upon arrival, he discovers that his mentor, Peter Solomon, has been kidnapped. The only way to save him is to unlock a series of hidden symbols throughout the city that lead to a powerful secret. The story delves into Freemasonry and the esoteric knowledge they possess.

'Inferno' sees Langdon waking up in an Italian hospital with amnesia. He teams up with a doctor, Sienna Brooks, to solve a riddle that leads them on a perilous journey through Florence, Venice, and beyond. The plot revolves around Dante's 'Inferno' and a terrifying plague that threatens humanity, pushing Langdon to race against time to prevent a global catastrophe.

'Origin' follows Langdon as he attends a presentation by futurist Edmond Kirsch at the Guggenheim Museum in Bilbao, Spain. When Kirsch is murdered during the event, Langdon must decipher cryptic clues that lead him to discover the answers to two of humanity's biggest questions: Where do we come from? Where are we going? The novel explores the intersection of science, religion, and technology.