In an upbeat family saga, Cold Morning Shadow begins as four teens in rural South Dakota are laying the cornerstones for lasting friendships in the late 1960s. Cyleine and her brother Lionel are an off-reservation Oglala Lakota sister-and-brother pair who befriend Wilton and his sister "Rockie," post-European newcomers just moved from urban Virginia. One of the girls, whose heedlessly unfiltered utterances melt hearts and barriers, is imperturbable...