Jiang Yu, who has just graduated from college and just wants to make a living, plans to rent a temporary girlfriend to deal with his family in order to avoid his mother's crazy push for marriage. Unexpectedly, he mistakenly identifies the wrong person and meets the beautiful and cold Su Ranran. It was supposed to be a simple act of fooling around, but Su Ranran went against the routine on the spot, using online tricks and reversing the rhetoric, making Jiang Yu's routine go round and round, and a hilarious and tumultuous fake girlfriend love farce began.
