He Yang is a promising young dentist who inherited his father’s dental clinic. Gentle and responsible, he is also somewhat introverted and tends to be traditional and conservative. He knows his father was an exceptional dentist, and as his successor, he always feels the pressure. To protect his father’s legacy, he is cautious about adopting new technology. He believes dental care depends more on experience and communication between doctor and patient.
Lin Cheng is a lively young programmer at a tech company specializing in medical technology. She develops medical diagnosis and treatment systems and has extensive expertise in remote diagnosis and AI-assisted diagnosis. Optimistic and cheerful, she is also guarded about forming close relationships because of a past failed romance. She believes technology can revolutionize medicine and make treatment more efficient and precise for patients.