When her husband passes away in an automobile accident,Shin-ae relocates down south to her late husband's hometown of Miryang. Despite her efforts to settle down, in this unfamiliar and "much too normal place, she finds that she can't quite fit in. Helping her out is Kim Jong-chan, a good-intentioned but bothersome bachelor, who owns a car repair shop. Life plods on. However, fate takes a vicious turn when Shin-ae loses her son in the most horrific way a mother could imagine. She turns to Christianity to relieve the pain in her heart, but when even this is not permitted, she wages a war against God. 当宽恕成了复仇的手段。我的秘密，不需要你的普照。信仰在身边。刀锋。密阳：暖意与冷冽并存。又见密阳。今生的骄傲。是生活原有的样子，而不是生活应有的样子。你是渴望被救赎，还是想当救世主？。一个没有希望的故事。 申爱（全度妍饰）带着儿子来到亡夫的故乡——小城密阳。她在那里开了一家钢琴学院，希望和儿子寻找一段崭新的人生，让儿子在亡夫小时候成长的地方成长，感受密阳的阳光和人情。然而车在半路抛锚，幸遇宗灿（宋康昊饰）前来相助，他是名汽车修理厂的老板，平凡的他热心地帮申爱找房子、拉拢客户，定制奖牌，然而这过分的热情让申爱感到不安，只得坦白告诉他不要打自己主意。 一天灾难不幸降临到申爱和儿子身上，她几乎丧失了继续生存的勇气，直到宗教给了她精神救助。然而，信教之后的心灵也没能平静多久。申爱很快又陷入自我矛盾的分裂中，转而不信任它并报复性地攻击。在整个过程中，只有宗灿一直陪伴在她身边，直到申爱重见一缕阳光。
