Prologue

Meet Natalie she's an 18 year old Girl that likes to party and is always making bets with her brother. She has a very rare hobby to relieve stress, and that is street fighting. In street fighting she is undefeated, no one has beat her yet. One day she loses a bet with her brother and has to go skydiving when she's afraid of heights. The day is all planned out...except the part where someone hijacking the plane. Who is it?