Montakarn is a famous actress with a hidden past—she grew up in an orphanage and now leads a double life. By day, she’s a glamorous celebrity. By night, she becomes Pakiranam, a mysterious vigilante in black, working to dismantle a powerful drug cartel. She secretly collaborates with Police Colonel Setthapong, a seasoned officer determined to bring down the same criminal network. The two are fed intel by a shadowy informant known only as "Hero".