The father's antique shop in Barcelona is a true treasure trove, but the young Adrià's fascination belongs solely to a valuable 18th-century Storioni violin with a captivating sound.

One day, Adrià secretly swaps it with his own violin to proudly show it to his best friend. When he wants to put the Storioni back, both his violin and his father have disappeared; the antique dealer has been cold-bloodedly murdered.

Many years later - by now, Adrià is a scholar and collector - he seeks to unravel the mystery of the Storioni to discover the true reason for the murder. Little does he know that the past of the musical instrument hides family secrets, murder cases, hatred and intrigue, love and betrayal. A lot is at stake for Adrià - including his great love Sara ...