A second trial begins in November 1975 against French left-wing revolutionary Pierre Goldman, accused of several armed robberies and the death of two chemists.

In 2016, French writer and photographer Carole Achache took her own life. After Carole's death, her daughter Mona Achache, a film director, discovers thousands of photos, letters and recordings that Carole left behind, but these buried secrets make her disappearance even more of an enigma. Through the power of filmmaking and the beauty of incarnation with the help of actress Marion Cotillard, the director brings her mother back to life to retrace her journey and find out who she really was.

Returning to France after a long exile, pianist Mathias Vogler reunites with his mentor, Elena, to prepare a concert. In a park, an encounter with a child who looks just like him will lead him to Claude, the woman he once loved.