Ms. McMartin is assigned as a social worker to Walden Schmidt and Alan Harper after they marry due to Walden's wish to adopt a child. Impressed with their lifestyle, she first prepares them for a baby boy whose mother cannot raise him, but after the mother changes her mind, she assigns them a 6-year-old African-American boy, Louis. However, she later discovers their deception and moves to have Louis removed from the house. Alan attempts to change her mind and they end up sleeping together. Upon seeing how comfortable Louis is with Walden and Alan, Ms. McMartin decides not to take him away on the condition that they stop lying.