During the early 1970s London, an English Police officer is framed for corruption charges and goes on the run to Africa where the Russian KGB recruit him; after years of seductive traitorous espionage, he falls in love with a Bulgarian Woman and in order to marry her, he must escape the iron grips of the KGB and face his corrupt past.

A London Police officer framed for corruption during the late seventies becomes a KGB spy, but when he falls in love in Bulgaria, he must escape the agency and return to London to face his accuser.

Agreed with Richiev - the original logline is too long and contains many redundant details.
Is the main plot a love story, spy story or redemption one? Accordingly you need to pick an appropriate goal and structure the logline to fit.

"When he falls in love, a disgraced London police officer turned KGB agent must escape the agency if he's to live happily ever after.