A scientist has a revelation after his dog dies and leaves his job to start walking dogs.

On a weekend camping trip deep in the forest, a young U.S. Marine enlistee named Jim and his friends stumble upon the murdered bodies of a vacationing couple. They're suddenly taken hostage by a deeply disturbed war veteran on a sadistic killing spree - leaving Jim and his friends fighting to get out of the forest alive.

After a serial killer imitates the plots of his novels, successful mystery novelist Richard "Rick" Castle receives permission from the Mayor of New York City to tag along with an NYPD homicide investigation team for research purposes.

Dr. Gregory House, a drug-addicted, unconventional, misanthropic medical genius, leads a team of diagnosticians at the fictional Princeton–Plainsboro Teaching Hospital in New Jersey.