Nature vs. Civilization

Tord's rebellion against urban society and his retreat to a primitive life on Järnö represent a clash between the wild, instinctual world and the corrupting, mechanized forces of the growing city and capitalism.

Tord's defense of the wilderness against urban encroachment and his wild, instinctual behavior contrast with the family's calculated, civilized scheming at Selambshof.

Tord's wild, 'savage' life at Järnö clashes with Mattson's patient, orderly farming; Tord's hatred of civilization drives his actions.

Tord's primitive, lawless existence on Järnö contrasts with Stellan's polished motor boat and Laura's socialite lifestyle.