When celebrated actor Nani Hirunkit Changkham finds himself the target of a dangerous stalker who goes by the name "Zero", his glamorous life turns into a high-stakes balancing act between fame and survival. So, in order to protect their brightest star, his agency hires the stoic and highly skilled bodyguard, Sky Wongravee. Tasked with shadowing Nani's every move, Sky's presence quickly becomes both a lifeline and a thorn in Nani's side. As they're forced to spend every moment together, their differences couldn't be more obvious. But beneath the tensity, something unexpected begins to enkindle between them.

Nani Hirunkit, the quiet and mild-mannered newcomer to Thailand's elite Special Investigations Squad, just wants to keep his head down, get the job done, and avoid the sharp gaze of his strict captain, Sky Wongravee. As the squad tackles dangerous cases involving international drug cartels, Nani's carefully hidden past begins to resurface, bringing with it deadly consequences. Captain Sky, who already suspects Nani's presence in the squad isn't what it seems, watches him like a hawk, waiting for him to make a mistake. But when a case hits closer to home than anyone expected, Sky and Nani are forced to work together, their clashing personalities and buried secrets threatening to unravel them both. Will the squad uncover the truth behind Nani's past, or will the shadows he's running from consume him before he gets the chance?