Enter the world of 'Criminal Diaries' where Detective Priya Sharma, a mix of Korean, Irish, and South Indian heritage, joins forces with her partner, Detective Liam O'Malley, an Irish detective with a sharp mind. Alongside them are Detective Sun-Woo Kim, a brilliant Korean investigator, and Detective Nikolai Ivanov, a Russian sleuth known for his keen observation skills. Together, they tackle a series of mysterious crimes plaguing their city, uncovering a tangled web of secrets and deceit. As they navigate through the complexities of their diverse backgrounds, the team must rely on each other's strengths to bring justice to the streets they protect.