Investment banking elite Shi Ming met the light from the opposite building at three o'clock in the morning in front of the floor-to-ceiling window - neurosurgeon Gu Xingchen opened the blinds at the same time, and the collar of his white coat was stained with traces of iodine. When her calculator meets his scalpel, when the morning meeting suit meets the surgical gown, two souls separated by jet lag meet in a 24-hour convenience store. He remembered the ice cream she would buy when she worked overtime, and she remembered the mints he bought during the night shift. However, during a medical incident, he discovered that they had already written intersecting trajectories in the folds of time...