剧情简介
该剧主要讲述的是警察﹑911接线员及消防员日常所面对的高压、危险﹑震惊的情况。剧情节奏紧张有序，每一集都会讲述一段或多段既惊险，又刺激的故事。
第18集:紧急呼救：孤星第四季第18集
Owen is conflicted when his brother Robert asks him for help; Judd and Grace face a family crisis; as T.K. and Carlos prepare for their wedding day, tragedy strikes.
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