The suicide of a popular student, whom Hanson and Penhall had arrested the night before, leaves his family, fellow students and Hanson in a state of depression and forces Penhall to relive bitter childhood memories.

Hoffs and Penhall must deal with a pursuing husband when they are assigned to escort a girl arrested for killing her father when he tried to prevent her from eloping.

Hanson goes undercover to find a student who is blowing up toilets. Meanwhile, Fuller must convince the higher-ups that the Jump Street program, which is scheduled to be deactivated over the summer, should be reactivated in the fall, and Doug decides it's time to grow up.

A popular sports writer finds his whole life ruined when Penhall believes his ex-wife's allegations of his being a child molester.

Hanson becomes an inmate in a juvenile detention hall in order to investigate the murder of one of the inmates.

Dorothy and Penhall split up forcing Penhall to move in with Ioki. Hoffs becomes involved with a city inspector, who is auditing Jump Street's records.