passage: In 2415 , after a virus in 2011 wiped out 99 % of the Earth 's population , all of the survivors inhabit Bregna , a walled city - state , Which is ruled by a congress of scientists .
  Although Bregna is idyllic , people are routinely disappearing and everyone is suffering from bad dreams .
  on Flux is a member of the ` Monicans ' , an underground rebel organization who communicate through telepathy - enabling technology and are led by The Handler .
  After a mission to destroy a surveillance station , on comes home to find her sister Una has been killed for being mistaken for a Monican .
  When on is sent on a mission to kill the government 's leader , Trevor Goodchild , she discovers that both she and the Monicans are being manipulated by council members in a secret coup .
  This discovery causes on to question the origins of everyone in Bregna ; and in particular , her own personal connection to Trevor .
  It turns out that everyone in Bregna is actually a clone , grown from recycled DNA .
  With the dead constantly being reborn into new individuals and still bearing partial memories of their previous lives , there has been an increase in the troubling dreams .
  Recycling and cloning became necessary since the original viral antidote made humans infertile .
  Trevor 's ongoing experiments , as with all his clone ancestors , has been trying to reverse the infertility .
  on learns that she is a clone of the original Trevor 's wife , Katherine and is the first Katherine clone in over 400 years .
  One of Trevor 's experiments , Una , was successful as she became pregnant .
query_and_answer: What is the name of the government leader on Flux was sent to kill and what is her connection to him ? || Trevor Goodchild- she is a sister
evidences: on learns that she is a clone of the original Trevor 's wife , Katherine and is the first Katherine clone in over 400 years . When on is sent on a mission to kill the government 's leader , Trevor Goodchild , she discovers that both she and the Monicans are being manipulated by council members in a secret coup .