Brothers Patrick and Thomas find a horrifying discovery that leads them to the conclusion that they must fight to survive despite all odds 　　帕特里克和托馬斯兄弟發(fā)現(xiàn)了一個(gè)可怕的發(fā)現(xiàn)，這使他們得出結(jié)論，他們必須不顧一切地為生存而戰(zhàn)