The thriller centers on a photographer losing her sight while probing her twin's death, with one audience account flagging harmful queer depictions amid other stereotypes.

The film is a Korean remake of the 2010 Spanish thriller Julia's Eyes. Lead characters originally portrayed by white Spanish actors (e.g., Belén Rueda) are recast with Korean actors (e.g., Shin Min-a), meeting the race swap criteria for legacy characters in an adaptation.

The film centers on twin sisters navigating a hereditary eye disease and one sister's mysterious death in a mystery thriller, with their strained caregiving dynamic and conflicting emotions as the only family elements depicted. This peripheral sisterly relationship and shared medical condition provide no meaningful exploration or endorsement of family structures, roles, or values, resulting in a neutral rating.