Su Yao is a psychological counselor who seems calm and self-possessed, but she is shadowed by her mother's schizophrenia. One day, a patient, Lin Sheng, claimed that he could "see the reality in the mirror" and firmly believed that Su Yao's life was false. The details he recounted were chilling, as if he were peering into her deepest secrets. As the consultation deepens, Su Yao discovers that unexplainable strange things begin to appear in her life - the image in the mirror is always a beat slower than hers, the photos disappear on the phone, the mysterious person keeps knocking on the door...
When the boundary between illusion and reality began to blur, Su Yao fell into an unprecedented panic. She must find out who Lin Sheng is. Is his "truth" crazy talk or the irresistible truth? And she also found herself in the mirror watching her every move...
