After locating an underwater entrance to the spaceship, Neri and Jason enter the craft where they find some of her father's belongings. Taking the objects back to ORCA, one displays a holographic message from Neri's father that reveals how her people came to Earth – and that she has a sister somewhere on Earth. Kimberly challenges Mick to a race, but when she beats him, he refuses to pay up. Commander Byrne shows Dianne the top secret plans for the construction of ORCA City; she wants Dianne to do the oceanographic surveys. (thetvdb.com)