2 Highly trained Cops with nothing in common except for the call of duty and the woman they love. ‘For Love of Duty’ is an action drama about two best friends in the police force. Thanat is a promising police officer in charge of a special unit called Irawan tasks to wipe out a prominent gangster, "Dragon's Tongue." While Wasan is a traffic police officer who is determined to improve his rank within the police force. They share the same work ethic: "to serve and protect no matter what." Unfortunately, they also share the same liking of a beautiful and charming psychiatrist, Chalanthorn. Will they sacrifice their happiness for their duty and ambition?