Plot summary
Lord John comes to Fraser's Ridge with young William. Murtagh learns that William is Jamie's son, but agrees to keep the secret. Jamie takes the fully grown William hunting and fishing in the forest while Claire nurses John, who has contracted measles. William angers the Cherokee by taking a fish from one of their traps, and Jamie is willing to sacrifice himself to protect his illegitimate son. John recovers, and Jamie is pained to see William leave thereafter.
Credits
Adapted from Wikipedia contributors, List of Outlander episodes. HTML formatting and reference markers removed.