Knock Knock…Kaun Hai?

When Lucy Albright and Stephen DeMarco meet at college, they are at that formative age when seemingly mundane choices lead the way to irrevocable consequences. They quickly fall into an addictive entanglement that will permanently alter not only their lives, but the lives of everyone around them.

Sherlock Holmes faces a sinister case risking friends' lives. American Amelia joins, seeking her father after her mother's murder. Despite differences, they solve a conspiracy and her mother's case.

When detective Andrea 'Andie' Whitford is transferred to the Victorian High Country, she is thrust into a baffling mystery of five missing persons who have vanished into the wilderness. Through an edge-of-the-seat, high-stakes investigation, Andie uncovers a complex web involving murder, deceit and revenge.

After discovering she's inherited a remote island in Canada from the estranged grandfather she was never allowed to meet, 17-year-old Annie Jacobson decides to investigate, pulling her into a world of buried secrets, unexpected sisterhood, and the complicated family history she was never meant to find.

This anthology series brings to life Aaron Mahnke's titular podcast and uncovers the real-life events that spawn our darkest nightmares. Blending reenactments, animation, archive and narration, Lore reveals how our horror legends – such as vampires, werewolves and body snatchers – are rooted in truth.

Alex Cross is a brilliant but flawed homicide detective and full of contradictions. A doting father and family man, Cross is single-minded to the point of obsession when he hunts killers. He is desperate for love, but his wife’s murder has left him too damaged to receive it.

Retired archaeologist and crossword setter Judith Potts believes that a brutal murder has taken place in the sleepy town of Marlow; when the police refuse to believe her story, she kicks off a private investigation with two unlikely friends.

Identical twins Leni and Gina have secretly switched places for years. But when one sister disappears, both of their lives start to fall apart.

Descend into the world of true-crime podcasts with Poppy Parnell, who risks everything—including her life—to pursue truth and justice.

Follows Reverend Jack Brooks and her daughter in Chapel Croft, a place for a fresh start that soon reveals its community's dark history and where ancient superstitions and mistrust of outsiders are quite common.

Emma a successful woman fears of losing her mind after suffering from sleep deprivation two weeks before turning 40. Only by investigating the truth of her painful past, can she find the answers to her present.

When an unidentified body is found in a luxury apartment linked to Oliver Kennedy and his girlfriend Ciara Wyse, Detectives Lee Reardon and Karl Connolly reconstruct the couple's deadly romance across the past 56 days.