another film with a knotty plot out this week, this one was fun to untangle.Kaufman started taking on directing duties with 2008’s “Synecdoche, New York,” and his relative simplicity here compared to the stylings of his previous collaborators Spike Jonze and Michel Gondry allows magic moments to pop out of nowhere.He makes “Ending Things” into a screen version of the immersive off-Broadway play “Sleep No More,” whisking us into seemingly normal rooms in which otherworldly scenes hazily play