Former FBI agent Sean Miller goes undercover at the Vance Group to dig into his father’s suspicious death. What starts as a bitter rivalry with Julian Vance, the halfmerfolk CEO, soon evolves into an uneasy alliance. Together they unravel a 17yearold deepsea conspiracy and rediscover their childhood bond, take down a twisted genetic experimentation scheme, and ultimately break free from fate’s shackles to embrace in the ocean depths.