莎拉（伊丽莎白·奥尔森 Elizabeth Olsen 饰）和父亲来到了空置已久的湖边小屋，因为这里即将被出售给他人，所以父女两人决定先过来把卫生给打扫打扫，也算是一种告别的仪式。时间一分一秒的流逝着，夜幕渐渐降临，黑暗和静谧笼罩着湖面，亦覆盖了小屋。 一声异响之后，萨拉呼唤父亲的名字，却得不到回应，她搜寻整个小屋，却发现父亲竟然从这件屋子里凭空消失了。夜越来越深，恐惧慢慢充斥了萨拉脆弱的心...
Having woken up in Hong Kong, with no memory for the last two years (!), Sydney returns to Los Angeles to try to piece together the last two years of her life and discovers the fates of her friends ...
Sydney finds herself face-to-face with her long-lost mother, Irina Derevko, whose intentions for her daughter are made chillingly clear. However, Sydney manages to escape and rejoin Jack and Will in...
Sidney Bristow is a college student who has an unusual job – she is a spy working for the CIA under secret conditions where not even her friends knows what she does. When her boyfriend proposes Sydney...
Five months later. Sydney quits the CIA and joins a Black Ops unit called "Authorized Personnel Only" alongside Dixon, Jack, Vaughn and... Sloane whom for limited immunity is co-operating ...