An English professor, who alienates her students, has always had control over her life. That is until she is diagnosed with a devasting illness. She agrees to undergo a series of procedures that are brutal, extensive and experimental. She finds that the fine line between life and death can only be walked with wit.

After a near-fatal accident in the line of duty, Cassandra Webb -- a New York City paramedic -- starts to show signs of clairvoyance. Through her visions and a journey of self-discovery, she is forced to confront revelations about her past and how it is connected to a specific spider, and learns she must protect three young women from a mysterious adversary who wants them dead.