女歌星斯凯·莱利（娜奥米·斯科特 Naomi Scott 饰）因背痛去朋友家取药，却目睹朋友残忍自杀。几天后，各种奇怪诡异的现象让斯凯大大发疯，身边的亲朋好友都莫名对着她诡异微笑。一天一天过去，斯凯才知道自己传染了微笑诅咒，而受害者没有一位活过一周的，斯凯只能向假死医师莫里斯（彼得·雅各布森 Peter Jacobson 饰）求助……
The crew of USS Titan find themselves on the brink of world war 3 with Russia when a naked stowaway appears in one of their torpedo tubes. Captain banks fears she may be Russian, but she's something far more dangerous.
