一位葡萄牙环境工程师决意颠覆人生，远赴西非大都会参与贯通丛林与沙漠的筑路工程。在恶劣自然环境的暴烈侵袭、灼人热浪的窒息蒸腾与深陷孤寂的迷惘中，他偶遇两位被逃离宿命的强烈渴望所驱使的当地人——他们试图以各自的方式挣脱出身的枷锁，在砂砾与烈日交织的荒原上劈开新生之路。

一位葡萄牙环境工程师决意颠覆人生，远赴西非大都会参与贯通丛林与沙漠的筑路工程。在恶劣自然环境的暴烈侵袭、灼人热浪的窒息蒸腾与深陷孤寂的迷惘中，他偶遇两位被逃离宿命的强烈渴望所驱使的当地人——他们试图以各自的方式挣脱出身的枷锁，在砂砾与烈日交织的荒原上劈开新生之路。

该剧以约塞米蒂（优胜美地）国家公园为背景，揭开背后不可告人的秘密。

两个学生突发奇想，确定硬闯老城区寻找传说中的刃，结果遭遇看家老人。老人给他们展示了传说中刃的独门绝技，而这一切就好像一个荒诞的梦。

故事以约塞米蒂（优胜美地）国家公园为背景展开，国家公园管理局的一名探员在调查一起命案的过程中，逐渐揭开了隐藏在公园内的黑暗秘密，同时他自己鲜为人知的过往也逐渐浮出水面。

As professional clowns Tito and Simon are traveling, they happen upon an abandoned child, whom they take in and name Simonetta. When Simonetta is older, she becomes a circus performer herself. One day she is looking for roses, and climbs into the garden of Count Luigi Ravelli. The count becomes infatuated with her, but she leaves as soon as possible. Sometime later, Ravelli consults a doctor about his fits of uncontrollable laughter, and there he meets Tito, who has come to seek help for his fits of uncontrollable weeping. The two decide to help each other, and they establish a friendship, but problems arise when they realize that they are both in love with Simonetta.

As professional clowns Tito and Simon are traveling, they happen upon an abandoned child, whom they take in and name Simonetta. When Simonetta is older, she becomes a circus performer herself. One day she is looking for roses, and climbs into the garden of Count Luigi Ravelli. The count becomes infatuated with her, but she leaves as soon as possible. Sometime later, Ravelli consults a doctor about his fits of uncontrollable laughter, and there he meets Tito, who has come to seek help for his fits of uncontrollable weeping. The two decide to help each other, and they establish a friendship, but problems arise when they realize that they are both in love with Simonetta.

民国上海滩暗战纷飞，共产党人用生命谱写这一个个感人的故事，他们如星光一样，燃烧自己照亮黑夜中的人们。地下党肖客临危受命，从战友“麻雀”手中接过藏有撤离密码的胸针，却因内鬼背叛陷入敌人追杀。江湖义士刘云山舍命相护，鬼市破译、琴曲传讯、真假撤离点交锋，环环相扣的智斗与绝杀中，既有同窗反目、叛徒伪装的人性暗涌，更有以命换黎明的热血信仰。胸针流转间，是谍影重重的悬疑张力，更是千万孤勇者用血肉为革命铺路的精神史诗。