We’re in the thick of the Revolutionary War here — the Battle of Monmouth is upon us! — and Outlander is taking a little time in “Written in My Own Heart’s Blood” to consider fathers and sons because sure, why not? There is, of course, the selfless offer from Buck MacKenzie to make the trip through the stones back to Bree to inform her of the detour Roger’s plan has taken just in case that letter Roger leaves his wife in the secret desk drawer in 1739 goes unnoticed in 1980.