Christopher Russell

Tension escalates between Frank and Mayor Chase after Frank makes a public arrest that goes viral; Danny and Baez investigate a gang attack that takes an unexpected turn; Jamie worries when Eddie lies to him about where she's going in the evenings.

A limo driver's infatuation with one of his riders leads him down a dark path.

On her return to Scotland, Mary is stunned by the treacherous world it has become; Elizabeth jeopardises her standing with an intolerable new suitor; Charles plans to take away Catherine's power.

Bo tracks down an old enemy who has taken on a new form. Meanwhile, Lauren makes a shocking discovery.

In the explosive season finale, Toronto is still under threat from a sadistic terrorist. Can the combined might of the city's emergency services bring down the villain?

Team One races to a hospital as Fire Capt. Simon Griggs interrupts the attempted murder of a badly burned firefighter. Capt. Griggs has to make a horrific choice -- one that pushes him to the edge of revenge and suicide.