Lou Peckinpaugh, the Cheap detective has entered a world that is half Casablanca and half Maltese Falcon. A parody of Bogart's films in which Lou goes through a series of scenes from the two movies trying to keep ahead of the police who think he killed his partner and find the black bird.

返乡药材供应的链陈伟，以12元的远低于市场价格收黄芪却被不领情的全村骂黑心。村民死等20元，没想到价格涨了，药却没人要！最后陈伟还是靠检测标准、合作社和长期的订单完成翻盘，彻底改写青岭村几十年的卖药规则。

泥瓦匠赵德柱坚守八百一平精工建房，却遭徒弟钱二宝低价偷工减料抢生意，全村嘲讽他心黑。特大暴雨来袭，偷料新房接连坍塌，众人追悔莫及。学土木的女儿帮他戳破猫腻，赵德柱不计前嫌，凭祖传手艺与三条建房铁律，无偿帮乡亲重建安居屋，重拾“赵记营造”百年招牌，道尽匠人良心与投机恶果。

林栀家是正规相机授权经销商，舍友却擅自鼓吹300元就能团购市价万元的热门相机，还以同学情谊对她道德绑架。面对集体误解与施压，林栀始终坚守原则底线，以规范的经营流程还原事实，既守住了店铺的经营准则，也让同学们认清贪小便宜的误区，学会理性消费、尊重他人边界，明白天下没有不劳而获的便宜。

99800元全屋整装!”网红老板吴建业用低价噱头疯狂收割。老顾贪便宜，撕毁了老手艺人林柏深的良心图纸。谁知一场暴雨，劣质装修瞬间变成致命“毒气室”，骗子卷款跑路!绝境中，林柏深不计前嫌冒死排雷。他用一把八角锤砸碎虚假，以极致手艺证明，看不见的地方才是良心。当“劣币”卷走一切，唯有真正的“良币”能撑起行业的脊梁!

A young couple, the Robinson's, rent a beautiful new flat for about the half the going rate of the same flats in the building. Poirot is puzzled by this, when he hears that many others had tried to rent the flat and were turned down. Poirot believes there is something unique about the Robinson's, and that whatever it is that makes them different, that difference is somehow related to a woman who stole secret American submarine plans and has fled to London. An FBI agent has joined forces with Inspector Japp and his team from Scotland Yard to follow the thief and recover the stolen plans, but the partnership between the FBI and Scotland Yard is far from cordial.

乡村神医陈昌锋好心行医，反倒遭村民误解排挤，还被庸医与村长处处针对。对方恶意敛财、设计构陷，让主角陷入行医被查封的绝境。走投无路之际隐藏贵人现身，拿出正规行医资质揭穿所有阴谋，反派贪污害人罪行全部曝光。最终村民幡然醒悟登门致歉，主角坚守仁心，守护一方百姓健康。

黎漫天下嫁五年，全心帮扶婆家，丈夫却擅自将她的豪车低价赠予小姑，她提出质疑还惨遭家暴。心灰意冷的她果断反击，收回车辆与资产并提出离婚，致使小姑婚礼难堪落幕。江家自此失去经济依仗日渐窘迫，丈夫负债失业，抹黑不成反倒自取其辱。待到对方幡然悔悟，黎漫天已然放下过往，开启崭新人生。

大学生林晓雨回村，拿城里公交两块钱的标准，质疑班车司机李建军五块钱的山路收费太贵，煽动村民转坐便宜车。不料低价车服务缩水、不送货到市场，蔬菜大量损耗，村民损失惨重。李建军坚持底线，用铁一般的规矩和数据证明五块钱的价值。林晓雨从反对者幡然醒悟，转而协助他建立秩序。最终青石村靠规范运营接入城市正式直供线路，李建军也成长为山区线路统筹负责人，全村人靠规矩吃上了安稳饭。

大学生林晓雨回乡，以城市公交票价为由，质疑班车司机李建军 5 元山路车费过高，鼓动村民换乘低价车辆。谁知低价车配套缺失，蔬果运输损耗严重，村民蒙受巨大损失。李建军以运营成本与实情印证定价合理性。幡然醒悟的林晓雨选择相助，共同规范运营。最终青石村打通城市直供线路，依靠稳定秩序，让全村收获安稳生计