In 1938, Walter Neff, an experienced salesman of the Pacific All Risk Insurance Co., meets the seductive wife of one of his clients, Phyllis Dietrichson, and they have an affair. Phyllis proposes to kill her husband to receive the proceeds of an accident insurance policy and Walter devises a scheme to receive twice the amount based on a double indemnity clause. When Mr. Dietrichson is found dead on a train track, the police accept the determination of accidental death. However, the insurance analyst and Walter's best friend Barton Keyes does not buy the story and suspects that Phyllis has murdered her husband with the help of another man.

Popular crime novelist, Jennifer Becker lives a lavish life in a small coastal town in California with her daughter, Lily. One day, while out for a run, Lily is attacked--but then rescued by a mysterious stranger named Mick. The local sheriff thinks there is more to Mick than meets the eye. As he investigates with Jennifer, both discover this mysterious interloper has a hidden past and is the wrong boyfriend for Lily.

After a troubled childhood, Ashley searches for a connection, and unknowingly invites in a demonic force, which leaves her loved ones fighting for her soul.

Ten years have passed since the death of millionaire, Cyrus Norman. Cosby, Cyrus' attorney, has gathered Cyrus' 6 remaining relatives to his New Orleans' mansion for Cyrus' "reading of the will". To the others disappointment, Joyce is the sole heir, but, due to a streak of insanity running in the family, a second will has been made in case Joyce falls victim to it. This puts Joyce in danger. Suddenly, Miss Lu, Cyrus' maid, appears and warns them that the spirits have told her that one of them will die that night. Following this, Hendrick, a prison guard, warns them that, "The Cat", a homicidal maniac has escaped. This sets up Cyrus' relatives with a night filled with murders, mysteries and intrigue.