Many remember the evening of Rosh Ha'Shana 25 years ago, when the news announced that 26-year-old Inbal Perlmutter was killed in a car crash. Despite her young age, the rebellious rocker had already achieved fame as lead singer for Ha'Mechashefot. Her career, as well as her personal life, had been turbulent, up until the inevitable end. The film reveals for the first time her personal diaries, rare archival footage, and intimate encounters with those closest to her. Some of them were not aware just how powerful the beast of darkness lurking beneath the good fairy had become. If You Let Me Go dives into the depths of a groundbreaking musician's soul who herself plunged into the abyss, leaving a profound mark on Israeli music and culture.