Miss Schlowski witnesses his actions, the principal assures him that even though she didn't agree with his methods, she can see that he is a good teacher. He also deals with a case of child abuse.
In turn, Kimble begins to like his cover job and his young charges. Using his pet ferret as a class mascot, his police training as a model for structure of the classes, and positive reinforcement, he becomes a much-admired and cherished figure to the children. Kimble adapts progressively to his new status even though he has no formal teaching experience.
The suspicious school principal, Miss Schlowski (Linda Hunt), is convinced he will not last long before quitting. Unfortunately, O'Hara, who is hypoglycemic, gets a terrible case of the stomach flu and falls ill at the last moment so Kimble takes the teacher's job. Kimble will discover the identity of the mother. O'Hara is to act as the substitute teacher in the son's kindergarten class at Astoria Elementary School. The detectives are going to offer her a deal to testify against Cullen in exchange for immunity. It is believed that Rachel stole millions of dollars from Crisp before fleeing. Kimble, accompanied by detective and former teacher Phoebe O'Hara (Pamela Reed), go undercover in Astoria, Oregon, to find Crisp's ex-wife. However, the informant's girlfriend is unwilling to testify in court. After years of pursuing drug dealer Cullen Crisp, Los Angeles Police Detective John Kimble has him on a murder charge after Crisp shot and killed an informant who has given him information regarding the whereabouts of his ex-wife, Rachel Myatt Crisp, and his son Cullen Jr.