在她的小儿子山姆的父亲被一名逃跑的精神病患者杀害后,凯特决定是时候为自己的生活翻开新的篇章了。她搬到了前情人汤姆居住的小镇,现在在治安部门工作,慢慢地又和这位敏感、体贴的绅士亲密起来。在职业上,她成为当地备受尊敬的医生马克·卢卡斯博士的秘书。随着时间的推移,她开始认真对待一位老人对医生的警告,开始相信他可能系统性地参与了与他接触后不久死亡的可疑老年患者人数,并试图证明她的理论……After the father of her kid son Sam was killed by an escaped psychiatric patient, Kate decides it's time for a new chapter in her life. She moves to the town where her former lover Tom lives and now works in the fire department, and slowly gets intimate again with the sensitive, caring gentleman. Professionally she becomes the secretary of Dr. Mark Lucas, the respected local physician. In time she starts to take an old man's warnings against the doctor seriously, starts to believe that he may systematically have a hand in a suspicious number of old patients dying shortly after contact with him and tries to prove her theory.