Grant Munro reaches out to Holmes because his wife, Effie, is acting strangely lately. First she asked his husband for a large amount of money without explaining why. Then she began going out during the night. One day Munro followed his wife to a neighboring cottage where he lost track of her. What is Effie hiding from her husband? Will Holmes find the answers? Will Munro's family stay together or it will fall apart? "The Adventure of the Yellow Face" is a part of "The Memoirs of Sherlock Holmes".