He was once an out-of-reach star in her youth. When there was a laboratory explosion, she dragged him out of the fire regardless of her own safety, but only heard half a word of "gratitude" and left sadly. Ten years later, he intervened forcefully as a guardian, but when the dust settled, a misunderstanding at the "Hongmen Banquet" that was carefully planned left her heart-broken and scarred. However, when a ferocious epidemic suddenly broke out like a beacon, turning the hospital into an isolation battlefield, he ignored the ban, broke through the blockade, and came to her as a volunteer. In the life-and-death test of fighting side by side, the belated truth was finally revealed - the unfinished sentence back then was "to pledge myself to each other."