Ordinary programmer Chu Xincheng accidentally meets three enthusiastic, loyal, and righteous young girls. Although there are misunderstandings at first, they build a genuine friendship after long-term companionship. When Chu Xincheng suffers consecutive dual blows in love and work, falling deep into a low point in life, the girls never leave his side, giving him company and support. Facing malicious framing by others, everyone joins hands to uphold their bottom line and actively defend their innocence. Afterwards, Chu Xincheng joins hands with friends to start a business independently, creating a gaming masterpiece with outstanding reputation relying on solid technology. In times of crisis, the girls' family steps forward to clarify all facts and legally pursue the responsibility of illegal personnel. In the end, the company receives strategic investment from a large group.