He Sui was an orphan that Yan Yunzhi met and lived with him in the orphanage. After Lucky was adopted by a grandmother, it was discovered that He Sui had congenital speech rhythm disorder, so Yan Yunzhi taught him over and over again during the doctor's treatment. When he grew up, He Sui became a guitarist and Yan Yunzhi became a speech therapist...
Intention: Rely on each other, support each other and be positive