Blood Rose

In the depressing epidemic situation, some people are secretly committing crimes. The dark red rose is stained with no color, is it blood or is it originally there? In a university, two people who were obviously strangers met through several cases. Is it Rose's fault, or does she have the murderous intention? The original meaning of roses is full of beauty, love and happiness, but on the contrary, they are full of murderous intent and obsession.