Nick comes into the bar with his new Fiance. Carla is desperate to find somenoe to go to the wedding with her to show Nick up. She begs Sam, and Sam and Diane agree. When Nick sees Sam and Carla together, he secretly now wants her back. Sam and Carla go to the wedding, and have a great time. Later that night, Nick comes back into the bar and kisses Carla, hoping it will make some sparks between them again.

Earth's ocean floor, 2084. With two superpowers poised on the brink of a devastating photonic war, a missile base comes under attack from the reptilian Sea Devils and Silurians, intent on eradicating the upstart human race and reclaiming the planet...