One of the many engineers that keeps Beta, the city under the sea, running, Mira only wants to make her family proud and to prove herself worthy. Arges has fought his entire life for his people. With deadly creatures under his control, he plans to eradicate Beta once and for all to protect his kind and their peaceful way of life. In a battle to determine if love can survive a war beneath the waves, it will be their decision that changes the tides.