韓半島6.1級(jí)地震之后，引發(fā)了位于釜山地區(qū)的1號(hào)原子能發(fā)電站爆炸，核電站陷入了危機(jī)。大規(guī)模強(qiáng)震引發(fā)的爆炸導(dǎo)致核電站出現(xiàn)裂縫，放射性物質(zhì)泄漏事故發(fā)生。毫無(wú)預(yù)警的災(zāi)難，令韓半島被混亂恐慌籠罩。就連一直堅(jiān)信可以預(yù)警災(zāi)難的塔臺(tái)也處于即將顛覆的狀態(tài)。核能泄露的恐怖漸漸席卷而來(lái)，甚至還可能誘發(fā)第二次爆炸。核電站工作人員與居民、消防人員展開救災(zāi)行動(dòng)，然而下一輪爆炸的威脅已經(jīng)襲來(lái)。

　　January is forced to return home after six years traveling abroad. A near-fatal accident has left her temporarily wheelchair bound and depleted of her long-term memory. She is accompanied by her boyfriend 'Callum' whom she met whilst traveling. He was also the driver in the fateful accident. Not only has she forgotten her family, but her childhood as well and is surprised to discover that her home is a stately manor in the middle of the country-side. As January tries to settle in, she finds herself becoming even more estranged from her family, who just want their daughter back. The trouble is, she cannot remember who that daughter was, or why she ran away in the first place. Desperate to discover why she left all those years ago and with Callum's help, she sets out to find the truth. They soon discover the family are not as loving as they seem to be. Was there a dark reason why she left them in the first place?