Sol, a famous Argentine Tango performer, has lived in Buenos Aires for many years. Behind her excessive temper and her glowing smile, the Diva hides an injury from which she never really recovered: the loss of her only son, Raphaël.
Ever since she served on the jury during his trial, Nora has been convinced that Jacques Viguier is innocent, despite him being accused of murdering his wife. Following an appeal by the public prosecutor’s office, and fearing a miscarriage of justice, she convinces a leading lawyer to defend him during his second trial, on appeal. Together, they will put up a tenacious fight against injustice.