Why she always think about kill all of em.... If she want to escape just go and tell em...when they saw 2nd jess they must be start to think that something wrong in this ship... And they can stay together and fight for surviving...i think some kind of mystical thing make her to kill them..anyway good movie .superb making I appreciate those peoples who worked behind the movie and I love Mellisa George.she is now 42 (2019)