Shadow of the Tomb Raider is only a week away now, so now is a great time to brush up on whats led Lara to this point. Playing Tomb Raider (2013) and Rise of the Tomb Raider would be the ideal way to do this, but unfortunately not everyone has that kind of time. Fortunately, Crystal Dynamics has released a brief video to get everyone up to speed.
Source: N4G PC See How Lara Becomes Who She Is in Shadow of the Tomb Raider