When a drowned body is found with an unusual plant wound through her hair, part-time forensic botanist Peggy Lee agrees to help with the investigation, but comes up empty-handed while digging for clues.
No rain means profits are wilting at The Potting Shed, so Peggy Lee joins her mother on a "bone harvest" expedition for the local historical society. But she stumbles upon a perplexing mystery how a fellow volunteer became a corpse with curiously red lips.