"In Their Footsteps" is an important quest within the Constellation faction quest line in Starfield, that reveals who the Starborn are and their true intentions. As the previous quests leading to this one left a lot of loose ends to be tied, "In Their Footsteps" serves the purpose of clearing a lot of that confusion in regard to the Starborn and the Unity.
Starfield: In Their Footsteps Mission Walkthrough
Uncover the truth behind the Starborn and Unity in Starfield's 'In Their Footsteps' quest, a pivotal chapter in the Constellation faction storyline.
