Torn between a chance to make history and her conscience, Roxanna faces a tough decision. Will she cross the line? Hanssen's recovery is put to the test with Essie's arrival, but he'll have to overcome painful memories if he wants to save her life. When Donna's hopes for her family seem out of reach, Zav is the last person she expects to save the day - has she misjudged him? (thetvdb.com)