After Su Nian broke up with Lu Xiao, she mistakenly used the other party's forgotten secondary card as a salary card for three years, without realizing that she was spending her ex-boyfriend's money. It wasn't until Lu Xiao sent a message that she was shocked to realize the truth and determined to pay off the 370,000 arrears. At this time, she encountered difficulties such as cheating on her boyfriend and stealing money, and Lu Xiao always silently protected her and helped her. Su Nian gradually saw his true feelings, let go of his worries and worked hard, founded a media company based on his own abilities, and achieved financial and spiritual independence. In the end, she and Lu Xiao, who recovered from illness, resolved their past misunderstandings, stayed together, and finally lived a warm and happy life. The ending is sweet and has no bad direction.