Shen Du (brother): 32 years old, attending physician in neurosurgery. Be calm, restrained, and believe in order. My hands are always cold, but my heart is hotter than anyone else.
Shen Lan (younger brother): 28 years old, talented painter. After losing his memory, his mind regressed to the age of six, becoming naive, dependent, and unreserved. After his memory was restored, he struggled between dependence and independence, and finally grew into a person who dared to face himself and protected his brother.
