Three scattered siblings find themselves living under the same roof when their estranged father comes back into their lives.

莫莉·約翰遜的丈夫外出放羊了，留下她一個人在偏遠的雪山地區照顧他們的四個孩子。儘管已身懷六甲，莫莉必須抵禦來自大自然和其他人的各種威脅。