After the killing of a prominent mob lawyer, NYPD homicide detectives Jacob Jackson and Caitlin Grimes start receive chilling, written “rules” for how to commit the perfect murder. "Rule number one for the perfect murder: Evidence is your enemy. Leave none behind." Jackson (Reid Scott) and Grimes (Cobie Smulders) race to find the killer, setting them on a collision course with the city’s crime underbelly, and a perpetrator who seems happy to toy with them. “Rule number two. No crimes of passion. The perfect murder is always business, never pleasure.”

Kidnappers grabbed Jenna in broad daylight, right in front of her children and their horrified classmates. Her family was issued an insane ransom demand: $25 million in cash and jewels, payable by the end of the school day, otherwise they’ll never see her again. As Jenna’s mother scrambles to gather the money, detectives Mo Butler and George Ortega follow the trail of the kidnappers, which will lead them through a sordid landscape of jealous lovers, broken dreamers, and twisted schemers. But every second counts, and there’s one thing Jenna Wade doesn’t have: very much time.

When Heather McKinley dreamed of becoming a doctor, she imagined curing sick kids and sporting pink stethoscopes. She never anticipated the sleepless nights, grueling exams, and endless labs. And she certainly never knew that her medical school earned the nickname Dead Med thanks to the tragic history of students overdosing on illegal drugs. But Heather would never consider doing anything like that. That is, until her longtime boyfriend dumps her, she finds herself failing anatomy, and her world starts to crumble.

Lowen Ashleigh is a struggling writer on the brink of financial ruin when she accepts the job offer of a lifetime. Jeremy Crawford, husband of best-selling author Verity Crawford, has hired Lowen to complete the remaining books in a successful series his injured wife is unable to finish. Lowen arrives at the Crawford home, ready to sort through years of Verity's notes and outlines, hoping to find enough material to get her started. What Lowen doesn't expect to uncover in the chaotic office is an unfinished autobiography Verity never intended for anyone to read.

Cassie thinks she has met the perfect man. Joel is sweet, handsome, romantic, and best of all, he’s crazy about Cassie. She thinks she’s found the guy she’ll spend the rest of her life with. Have children with. Grow old with. Yes, she knows about his perfect ex-girlfriend, Francesca. The beautiful, brilliant chef, beloved by all his friends. But she thinks Francesca is out of the picture. She thinks Francesca is gone for good. Think again, Cassie.

Jenny sits in the same seat on the same train every week, seeing familiar faces come and go. Until a chance encounter shatters her world. Sixteen years ago, Jenny survived a traumatic ordeal that left her best friend, Susie, missing and presumed dead. The world has its theories about what happened to Susie Patterson, and one of those theories points the finger at Jenny. Now she lives a quiet life, volunteering at a crisis helpline while trying to deal with her own anxiety and the true crime fans obsessed with finding her missing friend.

Jazz Bashara is a criminal. Well, sort of. Life on Artemis, the first and only city on the moon, is tough if you're not a rich tourist or an eccentric billionaire. So smuggling in the occasional harmless bit of contraband barely counts, right? Not when you've got debts to pay and your job as a porter barely covers the rent. Everything changes when Jazz sees the chance to commit the perfect crime, with a reward too lucrative to turn down.

They were madly in love. The perfect couple. That was the story everyone in South River believed...until Gin Talcott and Adam Archer are found shot in their bed. Adam is dead at the scene. Gin is fighting for her life. Detectives Greta Jessup and Finn Pate are assigned to the case. Greta has a long history with Gin’s first husband, Eddie, and is determined to protect his 18-year-old twins. Piper discovered the bodies. Daniel is missing—and so is Adam’s gun.

Sloan will go through hell and back for those she loves. And she does so, every single day. Caught up with the alluring Asa Jackson, a notorious drug trafficker, Sloan has finally found a lifeline to cling to, even if it’s meant compromising her morals. She was in dire straits trying to pay for her brother’s care until she met Asa. But as Sloan became emotionally and economically reliant on him, he in turn developed a disturbing obsession with her—one that becomes increasingly dangerous every day.

Tess Strebel can’t recognize her own face. She can’t recognize her home. Her bedroom is unfamiliar. And she can’t remember the handsome stranger lying next to her in bed. A stranger who claims he’s her husband. Tess reads a letter in her own handwriting, composed during a rare lucid day, explaining her life as it now exists: she was in a terrible car accident one year ago. Every morning, she wakes up unable to remember most of the last decade. Including her own wedding.

Dr. Richmond Dougherty is a renowned pediatric surgeon, an infamous tragedy survivor, and a national hero. He’s also very dead—thanks to a fall down the stairs. His neighbors angrily point a finger at the newest Ms. Dougherty, Addison. The sudden marriage to the mysterious young woman only lasted ninety-seven days, and he’d had two suspicious “accidents” during that time. Now Addison is a very rich widow.

After moving back to her hometown and solving her mother's murder, Augusta (Gus) Monet thought she was finally settled. Content for the first time in her life. Done with digging into the past. But it’s not to be. Cue hard reset number whatever. When Gus makes a mistake she can’t undo, she does the only thing she can: cuts and runs. Packs all her things in the dead of night and takes off. Gus lands at The Ambassador Court, an art-deco apartment building with cheap rent in one of Ottawa’s oldest neighborhoods where no one knows her.

Julia and Christopher Hygate have the picture-perfect life: Gobs of money thanks to their lucrative shipping enterprise, an estate on a secluded island, and a baby on the way. When they meet Eve Sylvester, they know she is the exact person they should hire to be their son’s nanny. Eve doesn’t have any living relatives, she’s lost touch with her friends, and her partner is out of the picture. Best of all, she’s also expecting a child.

Quill has lived on the Red Pine reservation in Minnesota her whole life. She knows what happens to women who look like her. Just a girl when Jimmy Sky jumped off the railway bridge and she ran for help, Quill realizes now that she’s never stopped running. As she trains for the Boston Marathon early one morning in the woods, she hears a scream. When she returns to search the area, all she finds are tire tracks and a single beaded earring.

Frank Szatowski is shocked when his daughter, Maggie, calls him for the first time in three years. He was convinced that their estrangement would become permanent. He’s even more surprised when she invites him to her upcoming wedding in New Hampshire. Frank is ecstatic, and determined to finally make things right. He arrives to find that the wedding is at a private estate—very secluded, very luxurious, very much out of his league. It seems that Maggie failed to mention that she’s marrying Aidan Gardner, the son of a famous tech billionaire.