Shibata Nanako is a girl desperately looking for love through online dating sites in an attempt to cure her loneliness. But when she actually falls for a guy, he ends up manipulating her into thinking that he loves her back. She discovers that this guy is not only a liar but also a hacker!
On the other hand, her step-sister Aki tries to avenge Nanako's heartbreak. But somehow she gets caught up with a dangerous criminal group.
Will Nanako shield her heart forever? And how would Aki find a way out of this difficult situation?