A couple s fight to save their young grandson tops the new DVD releases for the week of Feb. 2. Let Him Go : Tragedy strikes early on in writer-director Thomas Bezucha s Western neo-noir, based on the 2013 novel of the same name by Larry Watson. Margaret and George Blackledge (Diane Lane and Kevin Costner), a happy couple on a Montana ranch, are devastated by the sudden, accidental death of their grown son, James (Ryan Bruce), father to their newborn grandson, Jimmy. His widow, Lorna (Kayli Carter), remarries a few years later, a ceremony that Margaret and George graciously and awkwardly attend in support of Jimmy.