Harry's rich old bachelor uncle thinks Harry is still single. When Uncle announces a visit, Harry's wife has to play the part of the housekeeper so Uncle doesn't discover the truth.
Acting
Mary Pickford's expressive panic — star power already obvious.
Direction
Griffith inventing visual storytelling at frantic speed.

Director
D.W. Griffith
Trivia, insights & behind the scenes
Mary Pickford made over 50 films in 1909 alone — this was basically her Tuesday.
The 'rich relative visit' panic trope dominated early cinema — class anxiety was the Marvel universe of 1909.