讲述解放战争时期，孕妇华东野战军尖刀队在队长冯梁山领导下，孕妇深入虎穴，勇斗顽敌，出生入死的战斗故事，全剧分四单元。《黎明前枪声》讲述尖刀队为探寻国民党“南柯行动”的真相，潜入敌军总司令部，历经波折，终于破坏了敌人在逃跑前企图毁灭省城的阴谋；《阳光下的暗战》讲述我重要情报人员严金明不幸被敌人俘虏，尖刀队一路追击携我方人质逃跑的军统特务，最终，尖刀队揪出了内奸，抢救回了丢失的重要情报；《虎穴里交锋》是围绕着一份标记着秘密军火库的勘探图，尖刀队与国民党残部以及土匪三方展开了复杂的争夺战。最终将土匪和国民党残部一网打尽。《迷雾后的魔影》讲述了在一座刚解放的大城市里，敌人利用走私药品为幌子，制定了险恶而周密的破坏计划，尖刀队拨开重重迷雾，发现了诸多假像背后的真相，最后关头将敌人的阴谋彻底粉碎。
回复 :S7, Ep18 Jan. 2019 Nightmares of Neutron StarsNeutron stars are strange and violent phenomena that defy the laws of physics, and new discoveries reveal that these bizarre nightmares are far more deadly than previously believed, with the power to destroy planets and even other stars.When Supernovas Strike S7, Ep215 Jan. 2019 When Supernovas StrikeSupernovas are the violent death of giant stars, and new discoveries reveal that these cataclysmic events create the elements that are essential to all life in the universe.The Interstellar Mysteries S7, Ep322 Jan. 2019 The Interstellar MysteriesDiscoveries about interstellar space, the space between the universe's stars, reveal that it's not empty and unremarkable as previously thought, but filled with weird objects and strange phenomena that might hold the darkest secrets of the cosmos.How Black Holes Made Us S7, Ep429 Jan. 2019 How Black Holes Made UsBlack holes are not the violent monsters people think they are, and new discoveries reveal that they might have been essential to creating stars, giving light, and building the universe itself.Secret World of Nebulas S7, Ep55 Feb. 2019 Secret World of NebulasNebulas are the strange structures of cosmic gas and dust where stars are born and die, and new discoveries reveal the secrets of these mysterious places.Did the Big Bang Really Happen? S7, Ep612 Feb. 2019 Did the Big Bang Really Happen?New discoveries are causing astronomers to question if the Big Bang really happened, and using the latest science, they investigate if it wasn't just the start of our universe but many mysterious multiverses.Battle of the Dark Universe. S7, Ep719 Feb. 2019 Battle of the Dark Universe.Dark matter and dark energy are locked in an epic battle for control of the cosmos, and the winner will determine the fate of the universe. New discoveries might reveal which force will emerge victorious.Hunt for Alien Life S7, Ep826 Feb. 2019 Hunt for Alien LifeThe latest discoveries suggest that we might be on the verge of discovering life beyond our planet, and scientists are investigating if earth's life began elsewhere in the universe, and whether we need to evolve to know for sure.Finding the New Earth S7, Ep95 Mar. 2019 Finding the New EarthNew discoveries have revealed thousands of exoplanets beyond the solar system. Some resemble earth enough that one could be a new home for humanity. Even with cutting-edge technology, finding the perfect one is the scientific challenge of the age.Cassini's Final Secrets S7, Ep1012 Mar. 2019 Cassini's Final SecretsFor twenty years, NASA's Cassini spacecraft revealed the strange secrets of Saturn until it vaporized in its atmosphere in a blaze of glory. But today its legacy lives on, as fresh data from the probe helps scientists make brand-new discoveries.
回复 :黑人“O2”（泰瑞斯•吉布森 Tyrese Gibson 饰）自小就是一名孤儿，生活在混乱的黑人底层社区，他最终也走上了犯罪的道路。刑满获释后，“O2”决定洗心革面，和儿子朱利安一起开始新的生活。然而天不从人愿，“O2”再次卷入了一起黑帮事件。原来，当地的黑帮抢劫了“O2”的车，而车上的朱利安也被一同劫走了。面对黑帮提出的巨额赎金，“O2”实在无力支付。为了救回儿子，“O2”找到了以前亲密无间的表弟，希望他能助自己一臂之力。没想到表弟却是个贪生怕死之徒，怎么也不肯出手相助。无奈之下，他只好找到了以前和他有过一夜情的妓女可可。可可老谋深算、胆识过人，十分同情“O2”的遭遇，于是，他们的拯救行动开始了！
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