The three brothers in the eavesdropping team of the intelligence department are brothers. Liang Junyi (played by Liu Qingyun) is upright but cowardly, and he fiddles with personal relationship issues; Yang Zhen (played by Louis Koo) is in a difficult family situation and must not only deal with the dangers of his son suffering from leukemia that may arise at any time. An unexpected situation occurred, and he was also terminally ill and was about to die soon; Lin...