Martinez discovers the superintendent of his brother's apartment building is a cop who beats and robs tenants who fall behind on their rent. While Kelly helps Martinez gather evidence, a fellow detective begins plaguing the 15th with elaborate pranks.
Brenda's return to Beverly Hills both startles her parents and upsets Brandon's plans for her bedroom. Brenda and Dylan spend a relaxing day together. The rest of the gang begins their week at California University.
Having turned sixteen and failed parallel parking at school, Kevin fakes taking a driving test. When Kevin confesses the truth, he gets more than he expected.
Mark and Amanda are assigned to the task force investigating an airplane crash. An adversarial FBI agent and Russian mobsters make their assignment more difficult.
Mark and Amanda learn that a plane crash is a case of murder involving a dead FBI agent, the Russian mob and a missing nuclear bomb.
