A storm overtakes Chichagof island and threatens the safety of the Brown Family as they set out on a journey to bring home a new addition to Browntown, while oldest brother Matt returns home for a fresh start.

The Browns decide they need to protect the newest member of the family from the excessive amount of bears now looking for food on the Island. Meanwhile Matt is in a race for his life as he tries to return home through obstacles of life and death.

Billy's dreams of self sustainability are put to the test as the Browns embark on the beginning of their biggest project to date, while Matt and Bam decide to help the expansion of Browntown with a different venture on their own.