When a school teacher goes missing after a risqué video of her is posted on the internet, a police

　　一個(gè)單身母親卷入致命罪行后，她的天才數(shù)學(xué)教師鄰居伸出援手，而一名執(zhí)著的警察也開(kāi)始深入調(diào)查此案