A woman falls from the roof. Jiang Wei saves Zhiqing in the nick of time from being crushed by the impact of the fallen body. Zhiqing sees a vagrant when she looks at Jiang Wei. Zhiqing possesses a paranormal sight which allows her to see into the inner souls of others. Why does she see a vagrant in Jiang Wei?

Dong-shu and Dong-sao's son, Weijian, went missing after he entered the lift. Zhiqing takes the lift repeatedly in hopes of finding a clue regarding Weijian's disappearance. With a stroke of luck, she ends up at a space on the 13.5th level and finds Weijian there.

In order to locate Zhiqing, Jiang Wei studies the CCTV footage of the day she went missing. He discovers that both Zhiqing and Weijian had gone missing at 13:13 (1.13pm) in the afternoon. Cuiyan often complains of noise coming from above her flat at 13:13 even though no one resides above her. Jiang Wei concludes that Zhiqing and Weijian's disappearance has something to do with the number 13.

Jiang Wei manages to escape the parallel universe and throws himself off the building onto the safety float erected on the ground level. He previously threw out a handphone that was fortunately picked up by Hanxiang and Wenbin, who guessed his predicament. They had the safety float erected in time to save Jiang Wei. But will Zhiqing be able to find a way out of the 13.5th floor…?

Chen Dayu is a failure. From Ye Rongguang, he learns the special ability of stealing youth. Dayu is unhappy with his management and decides to steal their youth. Is it really possible to steal youth…?