Marshall Cuso shows up in NYC with a mushroom, that can cure any disease or injury; his old classmate, Frances, meets him by chance, but keeps secret that she works for Reutical, a pharmaceutical company.
Marshall is on the run, trying to flee New York; Frances confides to her boss, Rick, about the mushroom; Rick sends her to Marshall's farm to get more, but the situation gets out of hand.
Marshall seeks advice from Hildy; Copano and Harrington are drawn further into the mystery.
Marshall buys a plot of land near a chemical waste site with a plan to grow more mushrooms; Frances rushes home from Europe after a huge development; Copano and Harrington investigate a connection between Marshall and Frances.
Marshall, Frances, and their crazy neighbors deal with the aftermath of a dangerous incident.
Marshall arrives in jail and learns that some very important people refuse to let him out, while danger lurks around every corner; Frances makes a fateful decision; Copano and Harrington pick up the pieces.
Joseph Lee Anderson
Copano
Mike Judge
Rick Kruger
Martha Kelly
Harrington
David King
Marshall
Emily Pendergast
Frances