Wheelchair-bound Aunt Carrie is celebrating New Years Eve with her young niece and nephew when she hears gunshots. From her window, she witnesses a murder in an apartment across the courtyard. Carrie and the killer lock eyes, so she knows he's coming for her next. The murderer doesn't realize that, though unable to walk, Aunt Carrie is smarter than he is.

Upon returning home Roger Carlyle insists his wife Louise go take a look at something in their basement. What he neglects to tell her is that there are currently no stairs leading to the basement. Louise opens the basement door and falls to her death. Jenny, the Carlyle's maid, begins to blackmail Roger. Eventually Jenny's extortion drives Roger to plan ""accidents"" for himself, hoping to pin them on Jenny.