TV Sunsets Secrets Regrets Sunsets Secrets Regrets /10 by 0 users A mysterious body by the Tong River resurfaces clues to a five-year-old case, bringing together three childhood friends—now a criminal investigator, a detective, and an undercover agent. As they pursue the truth behind multiple unsolved crimes, they navigate hidden dangers and unravel deep conspiracies. Details Casts Posters Images Title Sunsets Secrets Regrets Alternative Titles Gang Tie Sen Lin, 钢铁森林 First Air Date Last Air Date Number of Episodes 1 Number of Seasons 1 Genres Crime, Mystery, Networks iQiyi, Casts Jing Boran, Cai Wenjing, Qin Junjie, Li Yutong, Zhao Xun Plot Keywords , Jiang Hansheng Jing Boran Zhou Jin Cai Wenjing Jiang Cheng Qin Junjie Li Yutong Zhao Xun