Mystery writer Harper Reed is investigating the murder of her friend, Julia. Julia's body was found in Harper's office, and the only clues are a bloody handprint on the wall and a mysterious note left on her desk. Harper interviews Julia's family and friends and starts to piece together a motive, but the closer she gets to the truth, the more dangerous the investigation becomes. Someone is determined to stop her from finding out the truth.
In 1892, a serial killer is targeting young women in London. Mary Jekyll, daughter of the infamous Dr. Jekyll, sets out to find the killer using her father 's knowledge of chemistry. But as she gets closer to the truth, she realizes that the killer is someone with a connection to her own dark past.
Val is hired to find a missing person in Italy, but discovers a web of corruption and crime that goes all the way to the Vatican. With time running out, she must use all her skills to find the missing person and expose the truth.
Detective John Smith is assigned to investigate the murder of a well-known politician. He quickly realizes that the victim was leading a secret double life and that there may be many people who had a motive for killing him. With time running out, Detective Smith must solve the case before the killer strikes again.
Julia inherits her late husband's collection of rare books, but soon discovers that many of them are missing. She sets out to track down the thief and ends up at a mysterious book shop owned by Mr. Grey. What starts as a simple investigation quickly turns into a murder mystery, and Julia must solve the case before it's too late.
Julia's husband is killed in a car accident, and she is left to raise their daughter alone. Julia is convinced that her husband's death was no accident, and she sets out to find out who is responsible. With the help of Detective Inspector Jameson, she gets closer to the truth. But as she gets closer, she realizes that she is in danger. Someone is watching her , and they will do whatever it takes to stop her from finding out the truth.
Adelaide Cavanaugh sets out to solve the mystery of her husband's murder, teaming up with Inspector Jameson in London. They uncover a web of lies and deceit leading to the city 's criminal underworld. Adelaide is put in danger, but she refuses to give up until she has the answers she's looking for.