Mi-so, a 12 years old girl who transferred from Seoul to Jeju island, meets Ha-eun. They promise never to seperate. At the age of 18, Ha-eun's boyfriend, Jin-woo breaks two girls's friendship. Few years later, they come apart as their lives go seperate ways. Now they are 27, and they finally meet again. They've missed each other. After 15 years, will they truly understand each other?
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 |
| Editing | Han Mi-yeon | Editor |
| Sound | Mowg | Original Music Composer |
| Sound | Kim Hyun-sang | Production Sound Mixer |
| Art | Jeon Sung-ho | Set Decoration |
| Production | Jang Kyung-ik | Co-Executive Producer |
| Visual Effects | Kim Dae-jun | VFX Supervisor |
| Production | Kwon Oh-hyun | Executive Producer |
| Visual Effects | Park Choul-yong | Special Effects Supervisor |
| Art | Heo Ja-yeon | Art Direction |
| Sound | Park Yong-ki | Sound Supervisor |
| Costume & Make-Up | Shin Ji-young | Costume Design |
| Editing | Eom Tae-sik | Digital Intermediate |
| Production | Byun Seung-min | Executive Producer |
| Production | Park Sung-hye | Co-Executive Producer |
| Art | Shin Bo-ra | Props |
| Costume & Make-Up | Son Eun-ju | Makeup & Hair |
| Production | Park Jun-ho | Producer |
| Art | Oh Hong-seok | Production Design |
| Lighting | Kim Hyo-seong | Lighting Director |
| Art | Lee Ah-young | Art Direction |
| Camera | Park Gwan-yeol | Key Grip |
| Production | Lee Sang-mi | Producer |
| Production | Yoon Ryeong-joo | Producer |
| Production | Jung Woo-ju | Producer |
| Sound | Park Jin-hong | Sound Effects Designer |
| Directing | Min Yong-keun | Director |
| Writing | Kang Hyun-joo | Writer |
