Jiang Daxing, a girl from a mountain village, used a homemade signal booster to participate in an international programming competition on a rainy night. She showed amazing talent but was forced to drop out of school and work due to family changes. He came to the Electronic City with his persistence in technology. When he was repairing mobile phones, he was unexpectedly appreciated by engineers and got the opportunity to enter the testing department of a technology company.
