Esbeth Walters is 72, a retired teacher, and shouldn't be messing around with murder, but when Texas Hill Country winemaster Win Castle pits his sons against each other over the inheritence of a 21,000 acre spread, including the winery where Esbeth works part-time, the result is murder, and Esbeth is in the middle of it. Texas Ranger Tillis Macrory and Sheriff Watkins think she knows more than she's telling.