Of all the immortal guardians, Zander is the most fearsome. Rumor has it that he cannot be killed, and he fights as if he has nothing to lose. But the descendant of the legendary hero Achilles will definitely have a weak spot somewhere. The united armies of demons have already broken through the boundaries of the underworld. Now, more than ever, the immortal guardians must protect their possessions and the world of people. Zander cannot be distracted by the charming doctor, whom he once considered his betrothed. But he is unable to imagine living forever without the only woman who makes him feel alive. Perhaps he still has a weakness...