The film tells the story of 15-year-old Robin, a virtuoso piano player, and her mother Claire, who lives for her and is her biggest fan. When Robin is the victim of a serious accident, their life will undergo a sudden change.

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