The Heretic

The Heretic is a side quest in the Fallout 4 add-on Far Harbor.

Synopsis
Grand Zealot Richter asks the Survivor to track down Sister Gwyneth, a former Child of Atom turned heretic.

Walkthrough

 * 1) Talk to Grand Zealot Richter. He will request the Survivor to locate a heretic, Sister Gwyneth, who abandoned the faith and disappeared.
 * 2) Talk to Zealot Theil to gain some background info on the Sister, as well as clues to where she is.
 * 3) Inspect the holy sites and pick up the torn flyers. Follow the clue trail to form the Kawaketak Station Flyer...
 * 4) Alternatively, head to the ruined church and confront the Sister.
 * 5) The options are to kill the errant sister, convince her to abandon the Island to save her life, or convince her to return to The Nucleus.
 * 6) Whatever the solution, return to Grand Zealot Richter and report to receive your reward.