Rosemary and Laura are summoned to Bowden Grange Language College to solve the mystery of random dead patches appearing on the lawns.
Whilst shopping in the town, Laura witnesses one of the college students named Angelica, accused of shoplifting. When Reynolds, the security guard, searches her bag he pulls out a knife and takes her for questioning.
Back at the college, Rosemary and Laura are roped into searching for Angelica, who has since disappeared along with Felix the college handyman.
Driving along the surrounding roads, the duo discover the body of Felix in a ditch, with his throat cut...
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