When an upper-class girl goes missing in the East End, rough-hewn private enquiry agent Cyrus Baker and his assistant, Thomas Llewelyn, link her disappearance to the murders of five girls in Bethnal Green before receiving taunting letters from a man with possible ties to a hedonistic gang of debauched aristocrats involved with possible satanic rituals.

"At a gathering for her cousin's wedding party, newly-licensed PI Annie McIntyre gets asked an age-old question: what really makes us who we are, nature or nurture? Clint Marshall, an up-and-coming musician and an adoptee at a personal crossroads, wants to hire Annie to find his biological parents, and that question is on his mind. Annie accepts his case, not knowing then that she, too, must decide if she really believes what she tells him that night-in...

While a mysterious stalker terrorizes her life, Melanie Travis also deals with the amorous advances of both her ex-husband and ex-fiance, and sets out to find a missing Dachshund puppy, the victim of a divorced couple's tug-of-war.

"Marcelo Tetteh, a twenty-seven-year-old LGBTQ activist, is butchered to death one night after being lured on Grindr to a deserted building site. With high instances of homophobia in Ghana, Marcelo's wealthy father doesn't trust the Ghana Police Service to find the killer, so he goes to the Sowah Private Investigators Agency for help, partly because he still feels guilty for disowning his son when he came out. Emma is assigned the case, but quickly...

"A phone call thrusts Rick Cahill's past and all its tragic consequences into his present. Krista Landingham, his former partner on the Santa Barbara Police Department, is dead. When Rick goes to the funeral in the city where his wife was murdered and where he is seen as guilty for her death in the eyes of the police, he discovers that Krista's death may not have been a tragic accident, but murder. Hired by Krista's sister, Leah, to investigate, Rick...

"Sabrina Duncan, Kelly Garrett and Jill Monroe were all graduates of the Los Angeles Police Academy. However, rather than do meaningful police work like their male counterparts, they are given menial jobs such as meter maid (Sabrina), crossing guard (Kelly) and typist (Jill). Reclusive millionaire Charlie Townsend hires the trio to work for his private investigation agency. Their only contact with him is through the phone and through his right hand...

The bizarre adventures of eccentric 'holistic' detective Dirk Gently and his reluctant assistant Todd.

Matt Scudder is an ex-NYPD cop who now works as an unlicensed private investigator operating just outside the law. When Scudder agrees to help a heroin trafficker hunt down the men who kidnapped and then brutally murdered his wife, the PI learns that this is not the first time these men have committed this sort of twisted crime, nor will it be the last. Blurring the lines between right and wrong, Scudder races to track the deviants through the backstreets...