Both are based on school violence. In both the rich students are bullying the weak ones and both teachers and students work together to teach them a lesson.

Its a Chinese remake of the 2004 korean movie with the same name.
Its a Chinese remake of the 2004 korean movie with the same name.
Its a Chinese remake of the 2004 korean movie with the same name.

Similar story where the ML saves a family member taken away from him. Something happened in the past and they now live peacefully far away. But somehow they get tangled up with the bad guys.

In both movies the couple works for a secret organization. Towards the end they work together to bring justice.

Both the leads are working for a secret organisation and are in a relationship. At first they hide their real identities from each other and eventually reconcile.