Korean sci-fi movie that follows a series of murders

During the late 1980s, two detectives in a South Korean province attempt to solve the nation's first series of rape-and-murder cases.

After a murder at an assisted living home, none of the residents can remember what happened. Detective Jake Jordan works tirelessly to discover the truth.

A parasitic alien soul is injected into the body of Melanie Stryder. Instead of carrying out her race's mission of taking over the Earth, "Wanda" (as she comes to be called) forms a bond with her host and sets out to aid other free humans.

A teenage girl is captured by a giant mutated squid-like creature that appears from Seoul's Han River after toxic waste was dumped in it, prompting her family into a frantic search for her.

In a future where a failed global-warming experiment kills off most life on the planet, a class system evolves aboard the Snowpiercer; a train that travels around the globe via a perpetual-motion engine.

More than seven years after the world has become a frozen wasteland, the remnants of humanity inhabit a gigantic, perpetually-moving train that circles the globe as class warfare, social injustice and the politics of survival play out.

A stranger arrives in a little village and soon after a mysterious sickness starts spreading. A policeman is drawn into the incident and is forced to solve the mystery in order to save his daughter.

Andrea, in search of her biological family, feels stalked by an invisible threat. Other women before them have suffered the same fate. Twenty years earlier, on the other side of the world, Camille, fascinated by Marie, tries to warn her of a threat hanging over her.

All unemployed, Ki-taek's family takes peculiar interest in the wealthy and glamorous Parks for their livelihood until they get entangled in an unexpected incident.

Paul Dean has created a deadly parasite that is now attached to his stomach. He and his female companion, Patricia Welles, must find a way to destroy it while also trying to avoid Ricus & his rednecks, and an evil government agent named Merchant.