After the murder of Italian physicist Leonardo Vetra, Harvard symbologist Robert Langdon’s (Tom Hanks) investigation with Vetra’s daughter (Ayelet Zurer) leads to a secret society, the Illuminati, and a quest for the world’s most potent — and deadly — energy source. Ron Howard directed the crime thriller, which is based on The Da Vinci Code author Dan Brown’s novel and co-stars Ewan McGregor and Stellan Skarsgård.