The blood-buying business is a tough game, but it's the only game around—at least it is for the two eerily beautiful boys seen throughout town... and now the ever-unlucky Hansoo. Homeless and desperate, Hansoo stumbles into the pair's abandoned church and unwittingly becomes entangled in their bloody scheme. The two need Hansoo's blood, and Hansoo needs a roof over her head, but how long before she realizes that she's in too deep?