Tan Jing is a single mother whose son has natural heart disease. In order to save up for her son's surgery, she leads a thrifty life. However, she has no complaints and lives life positively, raising her son Sun Ping to be obedient and sensible. Nie Yu Sheng is a heart surgeon who is working on funding a surgery project that helps children with heart disease. He picks Sun Ping as his first patient. During the treatment, he finds out that Sun Ping's mother is Tan Jing, his lover seven years ago

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