"True Heroes" revolves around the daily lives of a group of police officers and how they reflect the need to act cautiously and advance gradually in order to avoid taking the wrong path in life.

Real crimes such as the spider robber, VCD piracy have been weaved into this 25-episode action story. The police officers in the story stay alert daily to provide security to the civilians, making them the "True Heroes".

The protagonist Junhao (Christopher Lee) is a righteous and courageous cop who was born into a family of police officers. Junhao graduated with top honors from the police academy and harbors the ambition to join the elite Criminal Investigation Department. He is sorely disappointed when he learns that he has been assigned to a neighborhood police post.

During a big fire, Junhao saves the life of an old lady, earning the adoration of the old lady's granddaughter, Irene (Yvonne Lim). Much to his despair, Irene tries to come between Junhao and his colleague-cum-love-interest, Kexin (Phyllis Quek).

On the other hand, Junhao's colleague, Wang Feng (Allan Wu) is unable to get along with Junhao. However, Wang Feng changes his mind about Junhao when the latter saves him during a mission!