In the small city of Strattenburg there are many lawyers, and thirteen-year-old Theo Boone thinks he is one of them, but his inside knowledge of the justice system means trouble when a cold-blooded killer is about to go free and only Theo can stop him.

With two attorneys for parents, thirteen-year-old Theodore Boone knows more about the law than most lawyers do. But when a high profile murder trial comes to his small town and Theo gets pulled into it, it's up to this amateur attorney to save the day.

When seventeen-year-old Jay Reguero learns his Filipino cousin and former best friend, Jun, was murdered as part of President Duterte's war on drugs, he flies to the Philippines to learn more.

Seventeen-year-old Emma Paxton steps into the life of her long-lost twin Sutton to solve her murder, while Sutton looks on from her afterlife.

When seventeen-year-old Davy Hamilton tests positive for Homicidal Tendency Syndrome, everyone believes it is only a matter of time before she murders someone.

Having experienced compulsive behavior all her life, Lo's symptoms are getting her into trouble when she witnesses a murder while wandering dangerous quarters of Cleveland, Ohio, collecting things that do not belong to her, obsessing about her brother's death.

Fifteen-year-old Maggie's problems seem ordinary. She has tiffs with her too-critical mother, a crush on her cute psychologist, and worries that her only friend, fellow outcast Abigail, is morphing into a popular girl, leaving her behind. But Maggie has a few not-so-ordinary problems. A voice in her head is telling her to kill.

Eighteen-year-old Nikki's unconditional love for Dee helps her escape from her problems, but when he involves her in a murder Nikki winds up in prison, confronted with hard facts that challenge whether Dee ever loved her, and she can only save herself by telling the truth about Dee.

Watching from beyond the grave while her long-lost identical twin, Emma, assumes her identity, Sutton Mercer witnesses the discovery of a dark family secret and realizes that someone from Emma's past may be her own killer.

When Alexis accidentally kills a classmate on prom night using magic, her best friends Roya, Iris, Paulie, Marcelina, and Maryam join in using their powers to try to set things right.