Christine Sternwald is a young, ambitious woman with a great job at a major law firm, and a wonderful boyfriend who loves her, until one night when a split second threatens to destroy everything. As she drives home from the deserted underground parking lot, she happens upon the final moments of a heinous crime in which a respected CEO of a family run business is killed. A coincidence keeps her from recognizing the true significance of the events before her but, to the perpetrator, she is the only witness and must be silenced. As the days go by, strange things begin to happen to Christine...