The Bittersweet
又苦澀又酸甜 (original)
Mientras un asesino acecha las calles, un joven mensajero sospecha que una doctora podría ser su hermana, a la que no ha visto desde la infancia.
Starring Zhu Xuan, Lee Tae-ri
Watch "The Bittersweet" on Amazon Prime released in 2017. It's a drama and thriller movie, and has a rating of 5 out of 10 from Imdb which is fairly low for this kind of movie.