一只小木船模型载着盛开的紫罗兰和满天星，一张照片将画家胡晓月的思绪带回了三十年前…
　　十四岁的花季女孩晓月和十四岁的英俊少年原亮并肩坐在太湖上的一只小渔船上，晓月问小亮哥能不能摘下月亮送她，原亮憨憨地回答要等他长大。
　　晓月将戴在脖子上的玉片摘下来留给了原亮，她要跟父母到意大利去了。
　　十八岁的原亮高考落榜，他独自躺在小船上看着玉石圆片思念着远方的晓月。
　　八年后，二十二岁的晓月回国搞毕业创作，她要跟原亮登记结婚。原亮远远地看到了朝思暮想的晓月，他觉得自己配不上晓月了，晓月将成为一名画家，而自己还是建筑工地上的农民工，他撕心裂肺地为爱放手。
　　从此，晓月再也没找到原亮，而原亮一直在拼搏努力之中。
　　一晃到了2016年，原亮完成了从一位农民工到一位著名企业家的蜕变。同时，他也完成了一个男人为国家为他人奉献大爱的心路历程。
　　当晓月和原亮终于站在月亮酒店门前时，这对分别了三十年却相爱了三十年的恋人已泪如泉涌......

　　Based on true events Little Secret is a film with three interlocked stories all connected by a single secret that converge to reveal the tragic yet beautiful lives of three families and how hope, dreams and destiny can unite people from very different parts of the world. Adopted at childhood by a loving family after facing the loss of her parents, Kat led a life full of adventures. Now in her teenage years she is trying to fit into a "normal" life, as the world shows her how cruel living can be. After discovering a secret which threatens her life, she wonders if her dreams are still possible. Heloisa is a dedicated mother who has been entrusted with the secret and will do everything to keep her family together; however, she knows that the future is unpredictable. Jeanne, a beautiful young Amazonian native, falls in love with Robert, a New Zealander, with whom he discovers that her possibilities are infinite, however she forgets that destiny has plans of its own. Barbara, an older ...

青梅竹马的男女主，从小相恋。因为一场事故男主离开女主。多年以后，男主回来家乡，而女主已经要结婚了。婚礼上，新浪落荒而逃，男主只好陪着女主到毛里求斯继续原本计划好的蜜月之旅。在这场旅行中，双方找回了儿时对彼此的爱恋之情。