Miss Mary Sutherland has recently been left at the altar under peculiar circumstances. Her fiancé was in the carriage behind her own when traveling to the church. When his carriage arrived at the church, however, it was mysteriously empty. Her fiancé has not been seen or heard from since. Miss Sutherland has decided to call upon Meredith Cunningham and Sir Bartholomew Alexander Kensington III at Baker Street for help.