A courier named Bo-Wei Ho accidentally time travels from the year 2000 to 2022, and ends up taking on a new identity with the name Johnny Dai.

Johnny Dai begins to help Hai-Yi and his search for someone close to him; Wynn Lin interviews at Poseidon Department Store and meets the general manager Vincent Liang.

Johnny Dai thinks of a way to get close to Lu Si-Chi; On the surface it looks like Wynn Lin and Vincent Liang have never met, but the two of them in fact share a story.