Companion, the most incisive American independent film of the year, follows Sophie Thatcher and Jack Quaid as a committed young couple who stay with some friends in a Russian tycoon’s secluded woodland retreat. (A humorous cameo by Rupert Friend as the mulleted oligarch.) A drunken night of admissions, suspicions, and arguments makes it initially appear as though the movie is a romantic comedy or perhaps a noirish thriller about a robbery gone bad. Beyond the fact that Companion is a science-fiction comedy thriller, you will enjoy its numerous clever turns and turns better if you don’t know too much about it beforehand. To sum up, writer-director Drew’s big-screen debut