Led by Kim Philby, Plan Aurora is a plan that breaches the top-secret Fourth Protocol and turns the fears that shaped it into a living nightmare. A crack Soviet agent, placed under cover in a quiet English country town, begins to assemble a nuclear bomb, whilst an MI5 agent attempts to prevent its detonation.

The star of a team of teenage crime fighters falls for the alluring villainess she must bring to justice.

A female team of government agents, under the guise of owners of a popular worldwide franchise of aerobic centers, matches wits with a group of criminals who have kidnapped a top defense specialist and his ailing son, intending to sell him to the highest bidder.

The fourth film of the 5-film series The Best Secret Agent series of taiyupian (Taiwanese-language cinema), which was also dubbed into a Mandarin version.

Li Tsui-Ying (Pai Hung), the Best Secret Agent, disguises herself as a train conductor to assist Changjiang guerrilla leader Chiang Hsiao-Tien (Wu Chia-Chi) to evade the patrol of Japanese troops. Li adopts the pseudonym of White Peony in her Peking opera performance for the puppet government president, Han Zhaogui. Chiang discovers that his former lover Liu Feng has become Han's wife, but he finds that Liu still loves him and keeps their love token golden pheasant heart. White Peony would like to destroy the Japanese army’s project of building a secret airport. However, when she rescues Chiang from Han’s secretary, Ma Zuo-wen during an attack of Han in the cinema, White Peony falls in love with Chiang, without knowing that Chiang’s lover is Liu. In a final duel between White Peony vs Ma and Han, she realises how much Chiang loves Liu. She returns the golden pheasant heart that Ma took away from Liu to the lovers. The next day when Liu wakes up, White Peony has gone.

As the Second World War breaks out, German freighter captain Karl Ehrlich is about to leave Sydney, Australia with his vessel, the Ergenstrasse. Ehrlich, an anti-Nazi but proud German, hopes to outrun or out-maneuver the British warship pursuing him. Aboard his vessel is Elsa Keller, a woman Ehrlich has been ordered to return to Germany safely along with whatever secrets she carries. When Ehrlich's fiercely Nazi chief officer Kirchner commits an atrocity, the British pursuit becomes deadly.

Natasha Romanoff, also known as Black Widow, confronts the darker parts of her ledger when a dangerous conspiracy with ties to her past arises. Pursued by a force that will stop at nothing to bring her down, Natasha must deal with her history as a spy and the broken relationships left in her wake long before she became an Avenger.

After surviving an assault from a squad of hit men, retired CIA black ops agent Frank Moses reassembles his old team for an all-out war. Frank reunites with old Joe, crazy Marvin and wily Victoria to uncover a massive conspiracy that threatens their lives. Only their expert training will allow them to survive a near-impossible mission -- breaking into CIA headquarters.

Lui Yik-pang is reduced to his wits' end to rein the Golden Butterfly. Chong Tak-ming emerges as the suspect. The friendship and ties between former classmates Lui and Chong date back years ago. When the impoverished Chong turned to banditry, Lui abided by the law and arrested Chong. Chong repented and bore no grudges. Chong's daughter Ching-han and Lui's son Siu-man are lovers. Ching-han reinvents herself as a chivalrous bandit and robs the rich to help the poor after the imprisonment of her father and the death of her mother. Endowed with her father's gifts, Ching-han remains out of the law's reach, until she is tailed by the father enlisted in the police service. A bitter row ensues; the father's underling Sung Sing-biu snatches the stolen goods and activates the security system. Ching-han is prepared to turn herself in when Sung surrenders himself as a gesture of gratitude to his benefactor. Attending the wedding banquet, Lui brings his son and daughter-in-law a golden butterfly.

After an unauthorized letter suggesting U.S. support for a Russian attack on China is sent to Moscow, a former naval officer and his team go undercover to retrieve it. Their plans are disrupted when a cunning politician raids their hideout.

While touring abroad in Europe, beautiful American skydiver Fathom Harvill gets wrapped up in international intrigue when Scottish spy Douglas Campbell recruits her to help him on a secret mission. Before long, Fathom realizes that no one around her, including the mysterious Peter Merriweather, can easily be trusted, leading to various adventures that involve bull fighting, beaches and, of course, romance.

Celebrity Sadora is seriously wounded in an air crash. Police commissioner Suen and subordinate Ko Cheung find out Sadora was under duress from the Black Dragon Gang to collude with the criminals who had held his daughter hostage. When Ko, assuming Sadora's identity to safeguard his life, is abducted by the gang, Suen turns to 'Black Musketeer' Muk Lan-fa. By blatantly refusing to cooperate with the authorities, Muk escapes the surveillance of both the police and the gang. Acting alone, she scouts the location of the lair but ends up being imprisoned in the same cell with Ko. The captives use every trick in the book to escape. An undaunted Muk returns to infiltrate the den, while her sister Sau-chen, Suen and Ko are lying in wait. The hostages are released and the gang wiped out in a battle fiercely fought. (Synopsis based on visual audiomaterials)