The Suffering of Strangers (S03E10)

On Fiona's birthday, she faces an unforgettable turn of events. During a search for a suspected Islamic terrorist hideout, she and her team are taken hostage. With the lives of his son, wife, and Danny hanging in the balance, Adam is forced to make a heart-wrenching decision: will he save Fiona or Danny? Meanwhile, the prime minister's safety is also at stake. As MI5 grapples with the kidnappers' demands, an unexpected twist occurs when Danny steps up to make the ultimate sacrifice.