A seemingly ordinary pet shop hides a singular ability to peer into human hearts. The female lead An Xin can use pets to catch glimpses of hidden secrets deep inside other people's hearts. A man of gentle and considerate appearance, Meng Zezhou, visits frequently. Beneath the perfect affectionate mask, An Xin captures unusual signs hidden by Meng Zezhou. Following the clues, she clears away layers of fog, and in lies difficult to tell from truth, slowly excavates a shocking secret deliberately buried.