Neri moves her Synchronium piece to the secret underwater cave to keep it safe. Benny's father chastises him for spending time with Brett and Cass instead of studying. Cass finds a young boy hiding on ORCA. He tells her his family was refused refugee status and were being sent home when he left the ship and swam to ORCA. Cass decides to keep him a secret and brings him food but it isn't long before he is discovered by others and the Commander is forced to turn him over to immigration officials. Brett and Benny go in search of sunken treasure but when a valuable piece of equipment falls overboard, Benny dives after it and runs out of oxygen. Charlie calls to Neri who comes and rescues Benny. Afterwards, Brett is forced to tell Benny about Neri and Kel and implores Benny not to say anything about Neri. When questioned by the Commander about the incident, Benny lies to keep Neri a secret. Lena is able to gain access to her father's files about Neri.