

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.
32 episodes · October 23, 2019
The story follows He Jun, a hard-working detective who meets a young and passionate criminal profiler named Gu Ming Zhe. Gu Ming Zhe's life begins to change when he unexpectedly finds a mysterious old phone that connects him to a certain Cao Zheng, a clumsy yet resolute detective who unbeknownst to Gu Ming Zhe, has been missing for 20 years and is calling from the year 1998. The team then takes on the task of resolving impossible cold cases. (Source: DramaPanda)
No — Unknown Number has ended.
Unknown Number has 1 season and 32 episodes, and first aired in 2019.
Unknown Number holds an average rating of 7.0/10 on TMDB, and it lands best with fans of crime, mystery and sci-fi & fantasy. Join the discussion below to add your take.
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