Tang Yang and Jiang Shiyan are high school classmates and ten-year old friends. After entering the society from school, they devoted their enthusiasm and dedication to their jobs in bank credit review and new media communication. In his micro-loan work, Tang Yang helped the family members of military martyrs to start their own businesses. Jiang Shiyan used the stories of military martyrs' continuous self-improvement as material to shoot a documentary, which attracted widespread attention. In this process, the trust and tacit understanding they cultivated in their teenage years withstood various tests and sublimated into sincere and beautiful love. The two advanced from classmates and friends to lovers and partners, and formed a love relationship. Family, hand in hand.