A documentary following two foxes through a year of mating, parenting, and surviving harsh environmental and human pressures in Hokkaido.
Story Structure — 4 Plot Phases
Courtship & Conquest
Flep battles a rival male to win Leila as his mate. The successful union leads to the birth of five kits, establishing a new family unit.
Key Events
Hokkaido Setting — Introduction to the northern island's harsh climate Location: Hokkaido
Rival Appearance — Another male fox challenges for Leila's attention Location: Forest
Flep's Challenge — Flep engages in physical combat to win Leila Location: Territory
Victory & Bonding — Flep defeats rival and secures lifelong partnership Location: Den
Mating Ritual — The pair mates to begin the breeding cycle Location: Meadow
Family & New Threats
The growing family navigates their territory while encountering human infrastructure. Chicken farms and snowmobiles introduce immediate danger to their habitat.
Key Events
Kit Birth — A litter of five kits is born into the wild Location: Den
Family Formation — The family unit establishes its territory Location: Nest
Farm Discovery — The group encounters human chicken farms Location: Farm Edge
Snowmobile Encounter — Humans on snowmobiles threaten the foxes' habitat Location: Snowy Path
Foraging Struggle — Parents search for food amid increasing human presence Location: Woods
Winter Hardship
Freezing temperatures sweep across Hokkaido, testing the family's endurance. Parents struggle to find food while protecting vulnerable kits from the cold.
Key Events
Foraging Struggle — Parents search for food amid increasing human presence Location: Woods
Cold Exposure — The family endures the debilitating winter cold Location: Snow
Kit Vulnerability — Young kits struggle to survive the harsh conditions Location: Den
Human Encroachment — Human interference intensifies near the fox territory Location: Boundary
Survival Test — Adults face relentless environmental and human pressures Location: Wilderness
Survival & Resolution
Human interference and natural elements converge into a final survival test. The narrative concludes by reinforcing the harsh law that only the strong endure.
Key Events
Survival Test — Adults face relentless environmental and human pressures Location: Wilderness
Predator Threat — Wildlife dangers compound the winter hardships Location: Open Field
Family Cohesion — The pair reinforces their bond to protect the kits Location: Shelter
Harsh Law Realization — The narrative emphasizes that only the strong survive Location: Landscape
Seasonal Cycle — The year concludes with the enduring natural rhythm Location: Horizon
Survival Resolution — The family persists through the trial of the land Location: Hokkaido
Story Breakdown
Courtship & Mating — Flep establishes dominance over a rival male to secure a lifelong bond with Leila, initiating the breeding cycle.
Rival Challenge — Another male fox appears, triggering a territorial and mating competition.
Victory & Bonding — Flep wins the confrontation, cementing his status as Leila's partner.
Family Expansion — The mated pair successfully reproduces, bringing five kits into the wild and forming a cohesive family unit.
Kit Birth — Leila gives birth to five offspring, shifting focus to parental duties.
Parental Care — Both parents dedicate time to protecting and nurturing the vulnerable young.
Human Encroachment — The foxes encounter expanding human infrastructure, which disrupts their natural habitat and food sources.
Farm Threats — Chicken farms appear near the territory, introducing new hunting risks.
Snowmobile Danger — Humans operating snowmobiles create noise and physical threats to the family.
Winter Onset — Seasonal temperatures plummet, forcing the family to adapt to freezing conditions and scarce resources.
Temperature Drop — Harsh winter weather rapidly transforms the landscape into a frozen environment.
Resource Scarcity — Food becomes difficult to find, increasing the pressure on adult foragers.
Survival Struggle — The combined pressures of cold, predators, and human activity test the family's resilience and adaptability.
Cold Endurance — Adults and kits must conserve energy and seek shelter to survive the freeze.
Kit Vulnerability — Young offspring face the highest mortality risk during the deepest winter months.
Natural Law — The documentary concludes by emphasizing the unforgiving reality of the ecosystem where strength dictates survival.
Strength Test — Only the most adaptable and resilient individuals successfully navigate the year.
Cycle Continuation — The family persists, embodying the enduring rhythm of nature despite hardships.
Director Koreyoshi Kurahara chronicles a year in the lives of Flep and Leila, two foxes living in Hokkaido, Japan's northernmost island, where the freezing winters are long and the mild summers short. After Flep defeats another male fox to become Leila's lifelong partner, they mate and raise a litter of five kits. With their family complete, the group must contend with human interference in their habitat, such as chicken farms and snowmobiles, and struggle against the debilitating cold of winter. The animals experience both triumph and tragedy, as the law of this harsh land proves – only the strong survive.
