Red Leopard is the ace squad of the special forces. During an anti-drug operation at the border, they encounter a counterattack by transnational drug traffickers and the captain dies. After the Red Leopard members are successively discharged from the army, Jiang Zhi goes undercover in the drug dealing kingdom, determined to avenge their captain. Meanwhile, Ke Bei and his comrades open a military training base, living a stable life. However, a threatening video concerning Jiang Zhi's survival onc...