The Adventure of the Cheerful Four both the puppets of Jonathan Small and Arthur Morstan have the atmosphere of the members of a famous British musical band. One night Arthur Morstan, a pupil of Archer House is attacked and gets injured. His younger sister Mary Morstan requests Sherlock Holmes to solve why his brother is attacked while John H. Watson falls in love with her. They began searching Arthur's room with the help of Abdullah, roommate of Arthur. Holmes suspects that the offeder stole into the room from skylight and he and Mary find small handprints around it on the roof. Watson tries to get up
Mary Dresselhuys year in an English boarding school after which she took an entering exam for the "Toneelschool" (acting school) in Amsterdam, without her parents knowledge. She passed the exam. After her graduation in 1929, Mary played her first part, in the play "Men trouwt geen meisjes zonder geld" ("One Doesn't Marry Girls Without Money"). From 1931 till 1945, she played with the company "Centraal Tooneel". She appeared on stage in "Wie is Janus?" ("Who is Janus?")), a translation of Carolyn Green's play "Janus", in 1958. Among the films in which she appeared are: Mary Dresselhuys Mary Dresselhuys (January 22, 1907 –