"The Yellow Holly" by Fergus Hume is a novel written in the early 20th century. The story sets the stage for a murder mystery that revolves around the mysterious death of Mrs. Jersey, the owner of a boarding house filled with colorful, eccentric characters. As the narrative unfolds, we are introduced to a young visitor named Leonard Train who becomes entangled in the intrigue, particularly in connection to George Brendon, who has a hidden past and a complicated relationship with the deceased. At the start of the novel, we find Mrs. Jersey hosting a casual gathering for her boarders in her drawing room. The atmosphere is filled with old-fashioned charm and an underlying tension, hinting at the complicated lives of those in attendance, including the intriguing newcomer, Leonard Train. As the night progresses, we learn that Mrs. Jersey harbors secrets that connect her to one of the attendees, George Brendon. The opening concludes with the sudden and shocking murder of Mrs. Jersey, setting off a series of events that will challenge the relationships and motives of all characters involved, leaving readers eager to discover who may be responsible for the tragedy that has befallen Amelia Square. (This is an automatically generated summary.)