Synopsis

Three years have elapsed since the events of Day Two. A van unloads a corpse outside the Los Angeles Health Unit. The body carries a virulent infection. Tony, now head of CTU, discovers it's an attempt at blackmail: the US government must release drug lord Ramon Salazar – recently apprehended by Jack – before Salazar’s brother unleashes the virus upon LA. Jack and his new partner, Chase Edmunds, are poised to finalize a deal with Salazar at the prison. Before murdering his lawyer, Salazar del