Seeds Of Dissent. Drew Parker, #6

Drew and Cassie Parker are coerced into running an illegal international rescue operation on behalf of MI6 but they had not expected their every move would be predicted by unfriendly forces throwing everything into stopping them. Even making it back to the UK with their rescued charges, was far from the end of the story. Who was behind their opposition, was it the FSB, people inside the SIS, or even from a nation long regarded as an ally.  Determined to learn the truth, the pair embark on a dangerous quest to seek out the culprits, whoever they are.
What they discover is something that could potentially cause a major rift between nations or even bring down the government