The Big Call

With telecom fraud cases going increasingly rampant its a war in the air against invisible enemy in digital network era The Ministry of Public Security has established a special center focusing on telecom fraud crimes criminal mastermind Ahhai and his gang become the key target Female SWAT team member Xu Xiaotu is sent as an undercover agent to penetrate into Ahhais den in Thailand They has also recruited Ding Xiaotian a town policeman who has come to Beijing alone for catching criminals The center is led by Captain Tan Sirong an experienced police officer who has cracked many telecom fraud cases before