Christopher O'Shea

The pressure is on for Officers Nolan, Chen and West as their training officers evaluate whether they are truly ready for the job. One of the rookie classmates is involved in a shooting.

The imminent election in Angola finds Elizabeth under pressure with criticism of the administration after a shocking act of political terrorism while there is a new lead on the missing antiquities.

After a member of the inner circle of a terrorist organisation falls ill with a deadly virus, Elizabeth attempts to use his weakness to secure the release of a group of schoolgirls that are being held captive.

Elizabeth has 20 minutes to decide if she should question a person claiming to know the location of the world's most-wanted terrorist; Stevie wants to introduce her boyfriend to her parents.

While Elizabeth is in Libya to help negotiate an end to its civil war, a tragic accident with her chauffeured car embroils her in an urgent situation to secure medical care for a gravely wounded local girl.

Elizabeth tries to avoid international controversy after the Mongolian government sends her a horse as a gift. Gov Sam Evans threatens to bring a lawsuit against Ohio for putting President Dalton on the election ballot.