Alex wakes up to find herself back in 1983 where Gene Hunt is on the run after shooting her, three months previously. His unit is being run by none other than Ray! Meanwhile the rest of the unit in involved with the abduction of Dorothy, a young girl, on her way to school. To make matters worse a ransom is demanded by the kidnappers, and it's up to the team to find the culprits - fast.
在2003年入侵伊拉克的前夜，波特带领一组特种部队参与解救人质的行动，因不忍而放过持枪的当地童兵，结果同队的伙伴被杀害，连他和卡林森都受伤且损失惨重。七年后，波特得以重回战场，作出补偿。
Season nine of long-running British spy thriller "MI-5" opens with Ros' (Hermione Norris) funeral, where Harry (Peter Firth) learns of a shocking betrayal at the highest level. Also this season, the agents go after Somali terrorist Hussein Abib (Peter Bankole), a scandalous secret from Lucas' (Richard Armitage) past is unveiled, and a growing bond develops between Ruth and Harry. Sophia Myles and Max Brown join the cast as agents Beth Bailey and Dimitri Levendis.
