LOS ANGELES Independent film " Anora " — the tale of a sex worker whose marriage to the son of a Russian oligarch quickly unravels — is the big winner at the Oscars , scooping five awards including best picture. Balancing a nuanced portrayal of sex work with emotional heartbreak and crowd-pleasing farce, US indie director Sean Baker's film about a young escort marrying an oligarch's son seduced Academy Awards voters to claim the industry's top prize. Shot for a paltry $6 million, "Anora"