Carbon Costume

A sweet, bright, witty woman, Mary Morstan (Amanda Abbington) falls hard for John Watson on the BBC show Sherlock, eventually marrying and having a child with him. She also has an unusually easy relationship with Sherlock Holmes, enjoying his notoriously scathing behavior. In later seasons she is revealed to have a dark, dangerous past that comes to threaten her relationships with John and Sherlock. As a modern British woman, she dresses in loose-fitting, trendy clothing in bright colors.