The Brothers Karamazov is a murder mystery, a courtroom drama, and an exploration of erotic rivalry in a series of triangular love affairs involving the “wicked and sentimental” Fyodor Pavlovich Karamazov and his three sons―the impulsive and sensual Dmitri; the coldly rational Ivan; and the healthy, red-cheeked young novice Alyosha. Through the gri…