A mysterious sheepdog appears in relation to various crises in Dale Lacy's (Terry O'Quinn) life.

Castle Rock -- "Severance" -- Episode 101 -- Henry Deaver, a death-row attorney, confronts his dark past when an anonymous call lures him back to his hometown of Castle Rock, Maine. Henry Deaver (Andre Holland), shown. (Photo by: Patrick Harbron/Hulu)

Castle Rock -- "Severance" -- Episode 101 -- Henry Deaver, a death-row attorney, confronts his dark past when an anonymous call lures him back to his hometown of Castle Rock, Maine. Bill Skarsgard, shown. (Photo by: Patrick Harbron/Hulu)

Henry Deaver meets with a local woman upon his return to Castle Rock.