Jiang Nanshan and Li Ai fell in love at first sight on a bus, yet gradually discovered their timelines flowed in opposite directions—Nanshan's final day was Li Ai's very first day. During this brief, one-month romance, the two created a love story destined to be remembered for a lifetime, and found clarity in their life directions amidst the turmoil of balancing ideals with reality.
| Actor | Role |
|---|---|
 Bi WenjunJiang Nanshan | Jiang Nanshan |
 He LandouLi Ai | Li Ai |
 Wang YanhuiNot listed | Not listed |
 Hou YongNot listed | Not listed |
 Liu BateerNot listed | Not listed |
 Wang MianNot listed | Not listed |
 Duan BowenNot listed | Not listed |