Screaming too loud is what got Horacio killed, with his murderer Guillaume now released from prison, what will he do next?
It's autumn, and Lucile, 13 and a half, is passing the time as best she can. As she strolls through a music store, confusion sets in when she spots Mona, a young woman with an electric aura. To get closer to this girl who fascinates her, Lucile decides to take guitar lessons with her.
