Mary Swanson is the object of affection for Lloyd Christmas and Harry Dunne in Dumb and Dumber.  She is a wealthy woman whom Lloyd drives to the airport, falling in love with her instantly in the process.  After she leaves a briefcase at the airport and Lloyd fails to give the briefcase to her at the airport, Lloyd drives cross country with Harry to Aspen, Colorado to return it to her, unaware that it contains ransom money for her kidnapped husband.  While the kidnappers follow the boys, they eventually discover what's in the briefcase and foolishly spend almost all of it, thinking that they will be able to pay it back eventually.  After the kidnappers are arrested, Mary's husband is returned safely and Lloyd and Harry are down and out once again.

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