Anna Rydell returns home to her sister (and best friend) Alex after a stint in a mental hospital, though her recovery is jeopardized thanks to her cruel stepmother, aloof father, and the presence of a ghost in their home.
In Tokyo, a young woman (Tamblyn) is exposed to the same mysterious curse that afflicted her sister (Gellar). The supernatural force, which fills a person with rage before spreading to its next victim, brings together a group of previously unrelated people who attempt to unlock its secret to save their lives.
Rod Serling's seminal anthology series focused on ordinary folks who suddenly found themselves in extraordinary, usually supernatural, situations. The stories would typically end with an ironic twist that would see the guilty punished.