Neri receives a message in a dream from her sister, Mera, warning her that time is running out to save the planet's oceans. Neri travels to ORCA and warns Dianne that UBRI's development must be stopped. Kellar informs Dr. Hellegren about her suspicions about Lena, but he won't listen to her and tells Kellar to not question his daughter as part of her investigation into identifying the UBRI spy. To ensure Lena's continued help, Jason is forced to tell Lena all about Neri and their search for the Synchronium. Dr. Hellegren orders the construction of ORCA City to be sped up by increasing the yield of the explosives. Cass is sent to a psychiatrist to help her understand her dreams but what she remembers is quickly reported back to Dr. Hellegren who is invited to observe her next session. When Cass returns to ORCA with a restored memory, she confronts Jason and Brett, demanding to know the truth. She is taken to meet Neri and promises to keep her a secret and help in the search for the Synchronium. Presented with evidence of his daughter's spying, Dr. Hellegren confronts Lena. She admits what she's been doing and leaves home after he says she is no longer his daughter. Kal experiences fear when Neri is threatened by UBRI's powerful underwater explosions. Winston believes further detonations by UBRI could threaten the stability of a nearby fault line and cause earthquakes.