爱恨之约4After escaping a Russian labor camp, three men must overcome the treacherous wilderness and each other, as their journey home turns into a brutal fight for survival.　　逃离俄罗斯劳改营后，三个人必须克服险恶的荒野和彼此间的困难，他们的回家之旅变成了一场残酷的生存之战。