There's no shortage of action in the enthralling tale "Caryl of the Mountains," starring Rin Tin Tin, Jr. as a faithful canine who helps the Mounties track down an embezzler and killer who was responsible for the death of a beloved fur trapper. Francis X. Bushman, Jr., Lois Wilde, Josef Swickard co-star. AKA: "Get That Girl." Next, "Death Goes North" is the gripping drama of a lumber heiress (Sheila Bromley) whose business is threatened by unscrupulous rivals. With Edgar Edwards, James McGrath. 114 min. total. Standard; Soundtrack: English.