Mi-so and Ha-eun meet in elementary school and quickly become best friends. In high school, Ha-eun meets Jin-woo and starts to have feelings for him, but he starts to have feelings for Mi-so. When they all meet again as adults, they are very different people, but they try to remember what friendship is really about.
Unfortunately the movie Soulmate is not yet available on HBO Max.
| Camera | Kang Gook-hyun | Director of Photography |
| Writing | Annie Baby | Original Story |
| Sound | Chang Chul-ho | Sound Effects Designer |
| Visual Effects | Han Jae-ho | Visual Effects |
| Writing | Min Yong-keun | Writer |
| Production | Jang Kyung-ik | Co-Executive Producer |
| Production | Park Sung-hye | Co-Executive Producer |
| Production | Park Jun-ho | Producer |
| Lighting | Kim Hyo-seong | Lighting Director |
| Sound | Kim Hyun-sang | Production Sound Mixer |
| Art | Jeon Sung-ho | Set Decoration |
| Art | Shin Bo-ra | Props |
| Costume & Make-Up | Shin Ji-young | Costume Design |
| Costume & Make-Up | Son Eun-ju | Makeup & Hair |
| Visual Effects | Park Choul-yong | Special Effects Supervisor |
| Editing | Han Mi-yeon | Editor |
| Sound | Mowg | Original Music Composer |
| Sound | Park Yong-ki | Sound Supervisor |
| Visual Effects | Kim Dae-jun | VFX Supervisor |
| Editing | Eom Tae-sik | Digital Intermediate |
| Production | Byun Seung-min | Executive Producer |
| Production | Kwon Oh-hyun | Executive Producer |
| Art | Heo Ja-yeon | Art Direction |
| Art | Lee Ah-young | Art Direction |
| Art | Oh Hong-seok | Production Design |
| Camera | Park Gwan-yeol | Key Grip |
| Production | Yoon Ryeong-joo | Producer |
| Production | Lee Sang-mi | Producer |
| Production | Jung Woo-ju | Producer |
| Sound | Park Jin-hong | Sound Effects Designer |
| Directing | Min Yong-keun | Director |
| Writing | Kang Hyun-joo | Writer |
| Editing | Kim Jae-won | Assistant Editor |
