Dr. Ted Larson's engagement to head nurse Randi Sloan is getting under the skin of Dr. David Bonnell, her ex-lover and current roommate of Ted. When a box of candy arrives one morning, supposedly from Randi, David and a neighbor kid try a piece and both become extremely sick from arsenic poisoning. Accusations of attempted murder fly between the members of the love triangle as each accuses the other of poisoning the candy.