 When Amina also inquires about Yemi's upcoming trip to London, a surprised Eko states that he would also replace him there.Some time later, after Eko has become established in his new role as priest, he is confronted by militiamen, who Amina reveals that had a deal with Yemi to get most of the clinic's vaccines.Eko soon develops a plan to sell the vaccine on the black market before he leaves the country that coming weekend.