In order to avoid their own troubles, the two strangers met offline for half an hour to get the certificate directly, and agreed to contract and secretly marry for the next six months. She thought her husband had a monthly salary of 5,000, and he thought his wife just wanted to live a stable life. The two lived together and flirted with each other, secretly helping each other resolve the crisis, but after falling in love, they were afraid that their identities would be revealed. This pretend marriage gradually became true.