100+ Thriller Story Ideas for your next Bestseller in 2025

Tangled Networks

Kendall, a cybersecurity expert, discovers a data breach linked to a dangerous underground hacker group. When her life is threatened, she reluctantly seeks help from Damien, a rogue hacker with ties to the criminals. Together, they navigate a treacherous pathway to reveal the truth hidden beneath false identities.

Hot Meter: ❤️❤️❤️❤️❤️

Through the Looking Glass

Gwen, an art restorer, encounters a missing painting that links her to a series of unexplained deaths. Joined by Julian, a suave art thief seeking redemption, they unravel dark secrets buried in art history that lead them down a perilous path.

Hot Meter: ❤️❤️❤️❤️🤍

In the Enemy’s Den

Rachel, an undercover agent posing as a secretary in a political firm, discovers a plan to manipulate election results. She enlists the help of Jake, a journalist who stumbles into the conspiracy, to gather evidence. Together they must navigate double-crosses and threats that could cost them everything.

Hot Meter: ❤️❤️❤️❤️🤍

The Last Page

Felix, a high-profile editor renowned for exposing corrupt authors, becomes the target of futuristic cyber-attacks after publishing a tell-all memoir. With the help of Sandra, a brilliant computer programmer, they delve deep into the online underworld to discover who’s behind it, leading to dangerous revelations.

Hot Meter: ❤️❤️❤️❤️🤍

The Final Last Will

Natalie, a lonely estate attorney, uncovers a web of secrets after she’s handed a will that implicates gaslighting from a haunting family legacy. Teaming up with Greg, a charming forensic accountant, they race against time to navigate through family betrayals and untimely deaths.

Hot Meter: ❤️❤️❤️❤️🤍

The Array of Shadows

Zach, an ambitious data analyst, stumbles upon lost government files connected to a nuclear incident while compiling information for his job. His life becomes a living nightmare as he delves deeper, attracting enemies from both sides and racing against time to expose the truth with the help of Chloe, a seasoned journalist.

Hot Meter: ❤️❤️❤️❤️🤍

The Locked Room

Elle, a gifted escape room designer, faces a challenge unlike any other when a participant dies during a live scenario. As the investigation reveals deeper meanings and secrets of the participants, she teams up with Hudson, the charming but skeptical detective, to uncover motives lost within the illusions.

Hot Meter: ❤️❤️❤️❤️🤍

Input of Fear

Caitlin, an unusual hacker specialized in riot simulations, finds an underground group planning real-life chaos during a protest. With the reluctant help of Evan, a fellow hacker searching for truth, they must outsmart an enemy who aims not only to cause riots but to silence freedom completely.

Hot Meter: 🔥🔥🔥🔥🔥

Innocence Lost

Kayla, a child psychologist diagnosed with severe trauma from her past, helps at-risk youth. When one of her patients disappears under suspicious circumstances, she is propelled to confront her own demons while partnering with Matt, a detective resentful of her methods, to unlock hidden truths and play a game of cat and mouse.

Hot Meter: ❤️❤️❤️❤️🤍

Beneath the Surface

Jared, a marine biologist who reluctantly discovers illegal dumping by powerful corporations, must stay undercover. With some local knowledge from Ivy, an earnest environmentalist, they set out to expose the culprits while tackling the danger of being targeted themselves.

Hot Meter: ❤️❤️❤️❤️🤍

Hallways of Deceit

Aisha, a school principal, receives a threatening note after awkwardly suspending a troubled student involved in a series of accidents. Joining Ravi, a former detective turned school security officer, they navigate uncharted territories between the personal lives of the faculty, students, and potential violence.

Hot Meter: ❤️❤️❤️❤️❤️

Time-Bound

Marcus, a disgraced CIA agent, receives a message from the future warning him about a tragedy he must prevent. With the skeptical aid of Natalie, a science researcher, they need to unveil the implications of time travel before lurking dangers catch up with them.

Hot Meter: ❤️❤️❤️❤️🤍

Buried Secrets

Diana, a coroner, stumbles upon a case involving a series of bodies connected to a prominent local family. Defying the directives of her superiors, she joins forces with Sam, a charming new detective, as they confront powerful enemies eager to keep the quiet buried.

Hot Meter: 🔥🔥🔥🔥🔥

Uprising of the Shadows

Tess, a journalist infiltrating a militant group believes she can expose their intentions but uncovers a broader plot involving government alliances. With tentative assistance from Jacob, an informant with clashing goals, they both grapple with trust as they unveil a conspiracy that reaches well beyond their expectations.

Hot Meter: ❤️❤️❤️❤️❤️

Into the Abyss

Vincent, a skilled cave diver, discovers a hidden cave system where several climbers have mysteriously disappeared. With Maya, a rugged survivalist who harbors her own reasons to explore, they descend further into the dark maze, uncovering a series of vehement truths about danger lying well beneath the surface.

Hot Meter: ❤️❤️❤️❤️🤍

Shade of Deception

Carla, a formerly celebrated magician, struggles with fading popularity after a stage incident. When a fellow performer is found dead, she becomes the prime suspect. Partnering with Fergus, a skeptical investigator who once idolized her, they unravel the secrets of the magician’s world filled with deception and hidden agendas.

Hot Meter: ❤️❤️❤️❤️🤍

Kingdom of Lies

Evelyn, a royal historian, uncovers a hidden plot intertwined with her family lineage that doesn’t align with the established history. Enlisting Leon, a persistent investigator with his own royal connections, they delve into court affairs filled with betrayal that could change the monarchy’s course forever.

Hot Meter: ❤️❤️❤️❤️🤍

Sand and Blood

Alex, a geologist involved in environmental conservation, discovers evidence that the local mining company has been covering up unsafe practices. With the enthusiastic help of Zara, a determined environmental activist, they dive into uncovering the truth, facing intimidation and threats that reach beyond corporate greed.

Hot Meter: ❤️❤️❤️❤️❤️

The Collectors

Drew, a reclusive novelist renowned for fictional thrillers, receives threatening messages from readers who take his work too far. When one fan ends up dead, he finds himself entangled in a sinister world of obsessed followers, with help from Clara, a no-nonsense detective who sheds light on the dark literary undercurrents.

Hot Meter: ❤️❤️❤️❤️🤍

The Colors of Deceit

Paige, a passionate painter known for capturing vibrant emotions, witnesses the murder of her mentor during an art exhibition. With Noah, a secretive gallery owner drawn into the drama, they tackle the underbelly of the art world, where beauty intertwines with darkness.

Hot Meter: ❤️❤️❤️❤️🤍