Ai Lin, who regained her sight after many years of blindness, was devastated to discover her husband and nanny having an affair. Seeking revenge, she pretended to be blind, playing mind games that made them suspicious of each other. After feeling she had gotten her revenge, she planned to leave with her son, only to return from summer camp to find him replaced. Desperate, Ai Lin rushes to the police, where she encounters her husband claiming she’s lost her mind. Now, she must unravel what is real and what is illusion.

失明多年的艾琳意外复明，她兴奋想要将这个消息与老公分享，却没想到看到的是丈夫和保姆在客厅正在亲热的场景。原来丈夫和保姆仗在她眼皮子底下暗渡陈仓很久了。

　　艾琳感到愤怒和羞耻，她决定假装失明，让丈夫和保姆也体会一下被当成傻子作弄的感觉。就这样，毫无准备的丈夫小三被艾琳戏耍得狼狈不堪，互相猜疑……出了恶气后艾琳决定停止报复，向丈夫摊牌离婚，带着儿子离开。

　　但万万没想到的是，当孩子从夏令营回来，她发现眼前的"儿子"居然不是自己的孩子！艾琳疯一般赶到警署求救，却没想到如此位高权重的督察总长，是自己的丈夫温里克。

　　大雾袭来，谜团重重，家里的孩子是谁，自己的孩子又在哪里……艾琳发誓要找到儿子，在此过程中她遇到了外卖员罗美娟的帮助，在察觉到她也深陷在一段家暴婚姻中无法自救，这两个同样陷入黑暗和绝望的女人，决定向对方伸出援手，成为彼此的光。

　　有些路，一个人无法走，但是两个人搀扶彼此，就能走出困境。最终，夜色将明