Hiding behind the shiny Instagram façade of Brandy Melville, the go-to clothing brand for young women, is a shockingly toxic culture that lies within the global fast fashion industry.

When Harvard PhD student Jennifer Brea is struck down at 28 by a fever that leaves her bedridden, doctors tell her it’s “all in her head.” Determined to live, she sets out on a virtual journey to document her story—and four other families’ stories—fighting a disease medicine forgot.