Cole works as an elite private protector assigned to shield Julian, the sole heir of an illustrious dynasty. Following a terrifying abduction, the young aristocrat returns home with subtle changes in speech and an intense, possessive fixation on his bodyguard. Cole soon discovers an unspeakable secret: the real heir perished, replaced by an ancient oceanic creature disguised in Julian's flesh.
Trapped by contractual duty and lethal coercion, Cole must navigate daily life beside an inhuman entity that craves his affection. As the imposter mimics human tenderness while ruthlessly hunting external threats, Cole struggles between his protective instincts and a forbidden attraction that could cost him his humanity.
