The Devotion of Suspect X
嫌疑人X的献身 (original)
A physicist suspects that an old friend may be a murder suspect.
Starring Nick Wang, Zhang Luyi, Lin Xinru, Ye Zuxin, Ding Guansen, Deng Enxi, Cheng Taishen, Zhao Yang, Zhu Haiyu
It's a mystery and thriller movie, and has a rating of 6.2 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Sweden.