Through a mysterious Motorola phone, two detectives - one from the present, and the other from 15 years in the past - begin communicating and working together to solve cold cases.
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Last updated: June 9, 2026
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Unknown Number first aired in 2019. Moviely hosts cinematic wallpapers captured from the TV series's official backdrop imagery.
Unknown Number is categorized as Mystery, Crime, Sci-Fi & Fantasy.
Han Zeng Guang directed Unknown Number.
Unknown Number stars Du Chun, Li Xiaoran, Wang Tianchen, Ma Rui, Cheng Fangxu, and more.
Unknown Number has a runtime of 45min.
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