When a time capsule in a small Colorado town is opened 25 years later and contains a gruesome discovery, the BAU investigates that crime and a possible link to the death of a local police officer.
Mary and her new neighbor Rhoda decide there's nothing worse than being 30-ish and single—except maybe being called "Ma'am."
Harm and Bud investigate a crash of an F-14 while it leaves a civilian upgrade facility; they find irregularities. Mic, now a civilian lawyer in Washington, represents the vendor. The admiral tries hard to give Sydney a happy birthday.
Mary discovers just how taxing an IRS audit can be when the bashful auditor takes an interest in her.
Dylan and Valerie fly to Mexico, where they hope to rescue Erica and reclaim Dylan's inheritance. Kelly becomes more deeply involved with Professor Finley's organization, leading to a rift in her relationship with Brandon.