If you’ve ever fancied taking the train from Moscow to the far northwestern Russian city of Murmansk above the Arctic Circle, Compartment No. 6 (Hytti No. 6) will almost certainly cure you of the urge. At the same time, Finnish director Juho Kuosmanen’s second film, which is about such a journey, offers up vivid emotional twists and turns that are charted with unusual acuity, qualities that will propel it to a modest but well noted life on the festival circuit.