Grace and Ham play cops and robbers with toy guns. Grace's favorite Aunt Cathy comes to town - has a run in with Earl, clashes with Betty - and reveals some shocking news. But first-- Rhetta, Grace, and Aunt Cathy get drunk and remember old times. Meanwhile, cattle tycoon Alvin Green's world begins to crumble after his lucky bull statue is stolen. He insists Major Crimes take the case. When Grace's father has a fire station named after him, Grace's family comes together for the dedication ceremony. Henry's cat dies and Grace comforts him the only way she knows how.