6/6 The team face a race against time to prevent a deadly new drug from flooding the country.
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5/6 After an innocent man is killed in cold blood, the murderer is released by MI5.
4/6 Jack and the gang attempt to catch a couple who have embezzled millions from a charity.
3/6 Jack and the gang become embroiled in the intricate world of foreign affairs.
2/6 A young girl is murdered in what is apparently an open and shut case.
1/6 When a murderer walks free from his trial, Helen calls on Jack's team for help.