The eldest lady "Xu Xixi" wakes up from a coma and loses her memory. She falls in love with the bodyguard Lu Jinyan at first sight, but learns from her childhood friend Ding Beifan that she is not the real Xu Xixi, but An Yue who looks the same. An Yue also discovers more shocking secrets in the process of investigating the truth, and Lu Jinyan, as a bodyguard, also has a hidden conspiracy. The two struggle between suspicion and ambiguity, looking for the truth but not forgetting the heartwarming confession, and sticking to each other despite numerous crises.