Seasoned and principled veteran Wu Wei (Lui), along with chemical specialist Xu Zhilan (Xu Dongdong) and undercover agent Gao Tianming (Yuan Biao), form an ad-hoc special operations unit. Their mission is to comprehend the situation and free the hostages held captive on the island. They penetrate the stronghold of numerous criminals, leveraging their extensive expertise and professional abilities to craft combat weapons.