God.

By episode six you feel those characters that have been in the background for the present day scenes may need to come forward into the action.

At Quantico training most of the recruit are busy romancing each other. Even Simon and Raina, but Simon walks into her room and realises that they are twins.

The recruits learn the art of surveillance on suspects and they have been tasked to monitor Shaw who is also dealing with her recently paroled son.

Alex learns that Caleb was at Grand Central because he was following Shelby as she was seeing his father, Clayton Haas, the FBI Deputy Director.

Simon and Alex find surveillance footage showing the twins were also at Grand Central before the attack.

Again looking at the first season of 24 as a template, I expect to see more intrigue by this time, and people who Alex might initially trust would end up switching sides and new characters such as the twins becoming suspects.

I guess with too many beautiful people in the show, they are bound to be more romances but it seems to be getting in the way.