Set in Wales, Death Valley follows the unlikely crime-solving partnership between eccentric national treasure John Chapel (Spall), a retired actor and star of hit fictional detective TV show Caesar, and disarming detective sergeant Janie Mallowan (Keyworth). Thrown together by the murder of John’s neighbor, John and Janie are an odd, yet hilarious duo with opposing instincts, and each week they get to the bottom of gripping murders.
A group of 10 true crime obsessives are invited to the opening weekend of the newly renovated Cold River Motel, the site of a 30-year-old unsolved satanic mass murder. History repeats itself when the guests get stranded and start getting knocked off one by one during a murder spree that grows exponentially more gruesome than the original with each kill.
Chatfah, the youngest sister of the Bupphachinda family, has just received the largest share of her father's inheritance and is about to be married. However, Chatfah falls from the highest floor of a vacation home to her three older sisters' shocked eyes. When her body disappears, her three sisters—Baibua, Chomphu, and Picha—become suspects in her disappearance.
The eldest sister Baibua is composed, wise, and has always sacrificed for her family. The second, Chomphu, is a confident model whose boyfriend Chatfah stole and was engaged to. The third, Putpichaya, is a jewellery designer and the closest to Chatfah. The three search for Chatfah while further tragedy befalls them following their youngest sister's disappearance.
When no one else can be trusted, the three sisters must try to trust one another. They move back to their
