Rogue cop has served a prison sentence for an accidental death during one of his zealous interrogation sessions... but now he's back on the streets.

Bulldog Drummond leaves retirement to help a Scotland Yard Sergeant catch thieves armed with radar.

Four brothers have been tormented for years by the abuse of their mother the Bulldog. Now more each one has its own problems to those who tend to encounter the salt. Ratón is a mechanic who takes his pains in alcohol, Alfonso watches a terrible secret of his wife. Baby finds himself halfway into drug trafficking, a decision that will ponder his life in danger and Lucina wraps up with her mother's lover. The Bulldog has created a vicious circle of abuse and pain that could destroy all of her loved ones.

A crime action investigation drama about police investigator Jin Kang Ho from the serious crime squad who never gives up on a case until he gets to the end of it. He will solve unsolved cases with a team consisting of a passionate producing director (PD) of an investigative show with low viewership ratings, a detective who used to be a profiler, a bar CEO who puts his violent past behind, and a funeral director who used to be a well-esteemed autopsy doctor at the National Forensic Service (NIS).