The novel was made into a TV film in 2001, directed by William A. Graham, and starring Chad Lowe.
This occurs on the insistence of witnesses who see children acting strangely after eating rye bread.
Kim is introduced to the brilliant scientist Edward Armstrong by their mutual friend Stanton Lewis.
In the basement of the old house, Edward finds a new strain of Claviceps purpurea which induces a great sense of calmness, sexual drive, confidence, etc.
Edward immediately assembles a team and begins working on developing the new drug with help from Stanton.
In the epilogue, Kim visits Edward who is a resident at a medical facility, where he still has the strain in him and therefore transforms into a man with raging episodes.