Shin is a 30-year-old blind single dad, doing his best to provide a peaceful life for his 10-year-old daughter. He treats her like a princess, but their world shatters when she is kidnapped by a cult known as Devil's Eyes. After reporting it to the police, Shin discovers the chief officer is also a part of the cult. With no help from the authorities, Shin takes matters into his own hands. His mission to rescue his daughter will force him to confront his dark past. He is not alone, though—his neighbor Fiona who appeared to be a typical 9-5 worker turned out to be a member of the Holy Hands a group dedicated to fight against Devil's Eyes, joins him in his fight to eradicate the cult.