A mysterious death, a lost 17th-century masterpiece and an intrigue with a lot of money in the background. Dominik (Piotr Adamczyk), an outstanding art history researcher from the University of Wrocław, sets off to picturesque Porto Ercole to collect scientific material on the last years of Caravaggio's life. On the spot, it turns out that just before his arrival, another enthusiast of the Baroque artist's work suddenly dies in the city. The late father of Tornatore devoted his life to searching for the painter's works and believed that he would manage to find the priceless painting "Mary Magdalene in ecstasy", the fate of which had remained unknown for centuries. Father Tornatore's notes accidentally fall into the hands of Dominik, who, with the help of the newly-met cleric father Paolo (Luca Calvani), decides to continue his search for the lost painting. The initially exciting adventure changes its innocent face when it turns out that the Italian mafia is also on the trail of the unique canvas, and the police and the mysterious beauty Sylvia (Alessandra Mastronardi) begins to look at the activities of the seekers. Dominik becomes embroiled in a dangerous investigation that reveals the backstage of an international intrigue. Fighting against time and with powerful opponents, he tries to unravel the mystery of the painting that has been hidden for centuries.