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Watch On Duty, On Fire full episodes online for free on FlexTV. Stream all 90 episodes of this short drama series in HD with subtitles. Start watching instantly with no registration required and enjoy smooth, fast playback on any device. Explore popular themes like Hidden Identity, Hidden Identity, , , and , and binge-watch the complete series anytime.

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On Duty, On Fire All Episodes

90 Episodes

Episode 1 - On Duty, On Fire

A lethal bodyguard with a sharp business mind meets a CEO surrounded by enemies. Colin handles threats the hard way—and negotiations the smarter way. Together, they step into a battlefield where every move has consequences.

Episode 2 - On Duty, On Fire

During a blind date, Chen He is mocked and despised by his date for his understated attire and exaggerated claims. He boasts of being a mercenary with multiple overseas mansions and heavy weaponry, but is dismissed as a lunatic. However, a sudden assassination attempt interrupts the date. Chen He, in order to protect his date, displays extraordinary combat skills, easily defeating several assassins and even dodging bullets in plain sight. This scene not only shocks his date but also captures the attention of the mysterious female CEO, Li Peijiu, who was observing from afar, foreshadowing his hidden identity as "God of War."

Episode 3 - On Duty, On Fire

This episode follows Chen He, a former top mercenary, who is tasked by Luo Lao, the grandfather of Li Peijiu, to become his fiancée's bodyguard. During their first meeting, Li Peijiu mistakes Chen He for a hooligan when he tries to fix a safety hazard on her clothing, leading to a heated conflict. Li Peijiu's close friend, Su Yi, arrives and orders Chen He to be sent to the police station. Chen He explains he was sent by her grandfather, but Li Peijiu refuses to believe him. Just as Chen He effortlessly handles an assault by the bodyguards, Luo Lao himself arrives in time, stops the farce, and sets the stage for misunderstandings to be cleared up.

Episode 4 - On Duty, On Fire

Li Tianrong, chairman of the Li Group, solemnly apologizes to his subordinates for their disrespect towards his daughter Li Peijiu's fiancé, Chen He, highlighting Chen He's mysterious and noble status. Upon her arrival, Li Peijiu discovers that her fiancé is the "ruffian" she despises, and she vehemently opposes the engagement arranged by her grandfather. She insults Chen He, calling him an "amateur hooligan." In response, Chen He, with lightning speed, instantly removes the heels from her shoes and her buttons, demonstrating his extraordinary abilities and leaving both Li Peijiu and Li Tianrong stunned.

Episode 5 - On Duty, On Fire

Chen He discovers a listening device on Li Peijiu and suspects a mole within her company, Li Corporation. He confidently accepts the mission to expose the traitor. Li Peijiu's father, Li Tianrong, reveals that Chen He is not only a bodyguard arranged by his grandfather but also Li Peijiu's fiancé. Li Peijiu strongly objects, but Chen He playfully forces a "couple's watch" that monitors heart rate onto her. To better protect her and conceal his identity, Chen He declines the managerial position offered by Li Tianrong and opts to be the driver instead. Later, during an interaction with his secretary, Sun Xue, he flirts while making a peculiar request for a "military sandbox," hinting at his extraordinary background.

Episode 6 - On Duty, On Fire

Chen He, as the bodyguard and fiancé, moves into Li Peijiu's home. At their first meeting during a family dinner, Chen He's flirtatious behavior offends Li Peijiu. However, he learns from Li Peijiu's father, Li Tianrong, that the Li family is facing a deadly threat from their business rival, Platinum Group. That night, Chen He enters Li Peijiu's bedroom under the guise of inspection, leading to a conflict where Li Peijiu reveals her identity as a sixth-dan judo expert. Just as their relationship is strained, Li Tianrong locks them in the bedroom with the intention of fostering affection, unaware that a sniper's red dot has quietly targeted Li Peijiu.

Episode 7 - On Duty, On Fire

This episode mainly tells how the male protagonist Chen He cleverly tested the female protagonist Li Peijiu's secretary, Sun Xue, by observing Li Peijiu changing clothes. Subsequently, Chen He confronted Sun Xue directly in the underground parking lot, exposing her identity as a mole within the Platinum Group and revealing that she had installed listening and tracking devices on Li Peijiu's clothing. Faced with exposure, Sun Xue attempted to attack Chen He with a stun gun, but Chen He easily neutralized her, highlighting his extraordinary strength and keen insight.

Episode 8 - On Duty, On Fire

This episode depicts the male protagonist Chen He demonstrating extraordinary abilities and unwavering principles while dealing with the company mole, Sun Xue. Sun Xue betrayed the company to pay for her father's medical treatment and attempted to trade her body for Chen He's forgiveness. However, Chen He refused, gave her money, and then fired her. Afterward, Chen He returned to the female protagonist, Li Peijiu, and they had a heated argument in the office, highlighting the tense employer-bodyguard dynamic between them. At a business investment conference, rival Zhou Jian harassed Li Peijiu and attempted to force her into a partnership. At a critical moment, Chen He stepped forward to protect Li Peijiu, escalating the conflict with Zhou Jian.

Episode 9 - On Duty, On Fire

At a high-class banquet, Zhou Jian, the arrogant young master of Platinum Group, clashes with Chen He, the "driver" of Li Peijiu, due to Li Peijiu. Zhou Jian publicly humiliates Chen He, even splashing wine on his face and forcing him to kneel. The guests present also discuss, believing Chen He has offended the wrong person. However, as Li Peijiu tries to defuse the situation, Chen He calmly takes control. He not only retorts verbally but also easily deflects and counterattacks when Zhou Jian attempts to make a move, kicking a table flying and knocking Zhou Jian to the ground. He displays astonishing strength that belies his "driver" status, shocking the entire venue.

Episode 10 - On Duty, On Fire

A lethal bodyguard with a sharp business mind meets a CEO surrounded by enemies. Colin handles threats the hard way—and negotiations the smarter way. Together, they step into a battlefield where every move has consequences.

Episode 11 - On Duty, On Fire

A lethal bodyguard with a sharp business mind meets a CEO surrounded by enemies. Colin handles threats the hard way—and negotiations the smarter way. Together, they step into a battlefield where every move has consequences.