Katherine was raised in an evironment that made her fight. At the age of five she knew where to stick a knife in someones back that killed them instantly. Her, and her twin brother Hunter were raised to be assassins. For 17 years they had been living in a 500 acre stimulation system, put through harsh conditions and a hard life. But it was the only one they knew. Now, 1 month before their 18th birthday, the king will tell them why they were chosen. and who they must kill.