The Quinton Case: It's nearly Christmas, and Janet and Joan Markham have been looking forward to having Doveby House to themselves for a fortnight. When Joan gets a letter from a distant cousin who wants to visit, though, the sisters can't bring themselves to turn him away.Roland Dickerson turns out to be an unpleasant man who expects to be entertained during his visit. While the sisters do their best, they feel less hospitable when Roland informs them that he's discovered a newer will written by the sisters' great-aunt Mildred. Janet and Joan had used the money they'd inherited from Mildred to buy Doveby House. But is Roland truly their cousin? Is the newly discovered will genuine? Will the man's visit ruin Christmas for the sisters, or can their friends help them out of a difficult situation? The Rhodes Case: Janet Markham is excited and nervous that Edward Bennett is coming for another visit. The handsome man has made no secret of the fact that he's interested in being more than friends with Janet, but he's usually too busy to pursue her due to his job with a secret government agency.While Janet is attracted to the man, she's not sure she trusts him. That trust is further challenged when he tells her that she needs to pretend she's never met him before when he arrives at Doveby House with his guest. Just hours after the two men arrive, Janet and Joan see a news bulletin about a wanted man who bears an uncanny resemblance to Edward's guest. Break-ins at houses in the area worry the sisters. Is it possible that Edward has brought a burglar to stay at Doveby House? The Somerset Case: Everyone enjoys getting flowers, especially around Valentine's Day, but Stacey, the waitress at the local café, is less than happy with the ones she's been getting. Someone has been sending her flowers anonymously every day since the first of February, and she's had enough.The cards with the flowers have been getting increasingly sinister, but Stacey is reluctant to bother the local police constable with her problem. Instead, she shares her thoughts about the flowers and some possible senders with Janet and Joan Markham. Once the Markhams hear Stacey's story, they insist on ringing the police. Constable Robert Parsons takes the matter very seriously, suggesting that Stacey quit working and find somewhere else to stay until after Valentine's Day. Can the sisters help Robert work out who is sending the flowers? Can they keep Stacey safe if she comes to stay in one of their guest