In the wintry woods of Terrace, British Columbia, four boys make a troubling discovery: their cabin has been broken into. In order to survive, they venture to the site of Jimmy Egan's burnt-down cabin to retrieve his stove. As eerie events take place, they find themselves on a journey that leaves them forever marked by 'Jimmy Egan's Stove.'

Amid the backdrop of the 1820s, 'Mountain Sunday' tells the story of a family fleeing from Ireland to Canada, seeking freedom under borrowed names. Their pursuit of liberation takes them across the vast expanse of the New World, traversing forests, prairies, and rugged mountains, where they encounter both friends and foes. As they brave the untamed wilderness, their journey unfolds into a tale that weaves together themes of faith, love, and family.

In the quiet town of Bloom, young officer Colt teams up with experienced Sheriff Green to investigate bodies buried in the hills. As they uncover unsettling secrets, Colt's determination leads to a high-stakes confrontation that challenges his sense of justice.