Mary Mason

Nancy Drew

Mary is Nancy's close friend and confidante, often assisting in her investigations.

Mrs. Jane Willoughby

Mary works as a maid or assistant for Mrs. Willoughby, leading to a strained subordinate relationship.

Bud Mason

Bud is Mary's brother, and they share a close sibling bond.

Tom Tozzle

Mary and Tom are friends and sometimes work together to help Nancy.

Captain Dudley

Captain Dudley and Mary have a work-related connection, likely as employer or colleague at the inn.

Nancy Drew

Mary is Nancy's close friend and confidante, often assisting in her investigations.

Nancy Drew

Mary is Nancy's close friend and confidante, often assisting in her investigations.

Tom Tozzle

Mary and Tom are friends and sometimes work together to help Nancy.

Mrs. Jane Willoughby

Mary works as a maid or assistant for Mrs. Willoughby, leading to a strained subordinate relationship.

Bud Mason

Bud is Mary's brother, and they share a close sibling bond.

Captain Dudley

Captain Dudley and Mary have a work-related connection, likely as employer or colleague at the inn.

Tom Tozzle

Mary and Tom are friends and sometimes work together to help Nancy.

A Queer Girl

A dark-complexioned girl with a sly look and excellent references, who becomes terrified upon learning Nancy's father is a lawyer and refuses the job.

X: An Encounter

Seen at Hidelberg's expensive dress shop attempting to buy a gown, which strikes Nancy as odd given her apparent financial circumstances. She is rude to Nancy when greeted.

XI: A Trip to the Inn

Mary Mason is suspected by Nancy after being seen shopping in an expensive dress, but the manager of Lilac Inn confirms she never worked there.

XII: A New Discovery

Suspected by Nancy of being connected to the Crandall jewel theft; discovered to have forged a reference and to be well-dressed despite being out of work.

A Surprise

Seen wearing a new silk dress, receiving multiple packages from Taylor's Store at a dilapidated house, paying cash.

XIV: New Information

Suspected due to her sudden ability to buy expensive clothes despite being a domestic.

XV: What Mr. Drew Learned

Suspected of spending large sums on clothes despite having no job; her purchases include a $65 dress and other items totaling over $100.

The Stranger

Though not present, Mary Mason is the focus of Nancy's investigation; the dropped envelope bearing the name 'Mason' strengthens Nancy's suspicion of a connection.

XVII: A Crisis

Arrives by motorboat at the dilapidated house in Dockville with two men, confirming her suspicious activities.

During the Storm

Mary argues with Bud and Tom about splitting the loot, showing her involvement in criminal activities.

In the Storeroom

Enters the storeroom to close a window, later confesses to stealing the Crandall jewels from Mrs. Willoughby at Lilac Inn, and argues with Tom Tozzle over shares.

A Prisoner

Mary coldly directs the others, suggests leaving Nancy to starve, and prepares food for the journey.

XXI: Down the River

Mary revels in Nancy's discomfort and boasts about the jewels, but becomes seasick and anxious as the storm intensifies.

Sinking

She and Bud abandon Nancy in the cabin, refusing to cut her loose. They are apprehended on the dock.

Captured

Captured after fleeing the motorboat, she denies Nancy's accusations and challenges her to produce the jewels.

The Search

Angrily protests the search but is caught staring at the clock, leading Nancy to the hidden jewels; eventually confesses to the theft.