sentences:  David is saved when the Drakh controlling him is killed, thus causing David's Keeper to wither and die.Catherine Sakai (Julia Nickson-Soul, credited as Julia Nickson) is the love interest of Commander Jeffrey Sinclair in the first-season episodes "The Parliament of Dreams", "Mind War" and "Chrysalis".The two have a long on-again, off-again relationship, though at the end of "Chrysalis" they announce their engagement.