Shy and socially anxious Yun Li enrolls in graduate school to prove her independence and unexpectedly reunites with her high school crush, the brilliant Fu Shize. Determined to win his heart, she steps out of her comfort zone and pursues him. Their love flourishes, but past traumas and personal differences drive them apart. When Yun Li moves abroad, Fu Shize is forced to confront his deeply suppressed trauma. Fu Shize, now a renowned researcher, is determined to win Yun Li back when she returns. Through growth and perseverance, they find their way back to each other.