Caddo Lake feels primordial. The cries of birds and other creatures unseen echo among the cypress trees draped in ragged Spanish moss that loom over glassy water. It is a place, in other words, that cannot help but inspire yarns, which locals in tiny towns with eerie names such as Uncertain are quick to tell wandering out-of-towners.Lately, Caddo Lake has served as the setting for storytellers of the professional variety. The renowned Texan novelist Attica Locke set her 2019 crime thriller, Heaven, My Home, there. The book centers on the disappearance of a nine-year-old boy. Strangely, another thriller centering on a missing child arrives Thursday, this time on the small screen. Max’s film Caddo Lake, from producer M. Night Shyamalan and writer-directors Celine Held and Logan George, is not only set in Karnack,…