Following her sister's disappearance, a Native American hustler kidnaps her niece from the child's white grandparents and sets out for the state powwow in hopes of keeping what is left of their family intact.

"UndertheBridge”isbasedonacclaimedauthorRebeccaGodfrey’sbookaboutthe1997truestoryoffourteen-yearoldReenaVirk(VritikaGupta)whowenttojoinfriendsatapartyandneverreturnedhome.ThroughtheeyesofGodfrey(RileyKeough)andalocalpoliceofficer(LilyGladstone),theseriestakesusintothehiddenworldoftheyounggirlsaccusedofthemurder—revealingstartlingtruthsabouttheunlikelykiller.