Jin Yi-soo, a privileged heir, joins a police force specializing in robbery cases, leveraging his wealth and connections, but clashes with his no-nonsense partner, Detective Lee Kang-hyun.

Following a gruelling stint at the police academy, where his unruly nature frequently clashed with that of his hellish drill instructor, Isoo returns to work as a fully-fledged police officer, only to discover that his former instructor, Joo Hyera, is now the new leader of the violent crimes team. And as if that wasn't bad enough - the pair are now partners!