Two police officers, one black and one white, each for their own way of justice, embarking on a confrontation of death and death.

After a double-cornea transplant He Yiyi finally recovers her sight; six months later, however, her eyes are still giving her pain. Her ophthalmologist, says that is normal and maybe due to a part-rejection of the new corneas. He gives her some special dark glasses to help her recover; but she also starts having nightmares and visions, as well as losing her hair...