The Fosters season 4 episode 17
Episode title: Diamond in the Rough
Stef starts a new assignment in human trafficking where she meets a teenaged girl named Diamond who is turning tricks on the streets. Lena deals with repercussions for holding an off-campus LGBTQ sex ed class for Anchor Beach students. Callie’s relentless pursuit of justice starts to impact her relationship with AJ. Meanwhile, Mariana tries to cheer up Jesus with a special project after he’s prescribed a special pair of glasses due to his traumatic brain injury.
