May December (out Feb 1) is a sensational film about a Hollywood starlet (Natalie Portman) who befriends a convicted paedophile schoolteacher (Julianne Moore) to work out how best to play her in a new movie. On one hand, it’s a thought-provoking drama about an unthinkable family unit. On the other, it’s an uncomfortable thriller about the way such stories are exploited for financial gain. Grade: A.