The narrative unfolds through three distinct time periods: Mike's arrival in Albuquerque, his present-day interrogation by Philadelphia detectives, and a harrowing flashback to his final night in Philadelphia.

" Five-O " is the sixth episode of the first season of , serving as a pivotal character study for Mike Ehrmantraut. While Bob Odenkirk's Jimmy McGill has minor screen time, the episode focuses on Mike's tragic past as a Philadelphia police officer and the events leading to his arrival in Albuquerque. Episode Summary