Daphne in the Brilliant Blue - Season 1 (2004)

Gloria returns to Nereids. She decides to teach Maia how the work should be done.

Maia is introduced to a martial arts expert named Yu Park. Rena and detective Yagi are taken hostage while on a cruise ship.

Maia gets partnered with Gloria and Yu and discovers the tense relationship they have.

The branch manager's daughter discovers he has been lying to her about his role at work. The gang catches a group of poachers.

Maia takes the wheel of a test vehicle when Shizuka's childhood friend, Millie, is injured.

Gloria is told she has a week to live.

The girls go to Siberia City where slave traders kidnap Shizuka.

When Maia passes a laurel tree it sparks old memories from her past. Everyone decides to spend an extra day in Siberia looking for clues about Maia's past.

The 100-year anniversary of the underwater cities raising to the surface is celebrated. The 100-year memorial service for the city of Elpida is also held. Maia, Tsukasa and Millie have a race to show off the Ocean Agency's new hovercraft.

Wong, Chang and Lee along with their rescuer, May, seek revenge on Nereids for putting the three brothers in prison.

Since the submarine is just sitting around and costing a fortune, Maia goes out and finds the Nereids a job.

A boy runs away from home and Maia is sent to Siberia City to find him.

Maia and the boy are caught in a plot to kill a wealthy CEO. Rena and Shizuka track down the people behind the plot.

Yu finds an abandoned baby at her door.

A con artist plays with Shizuka's heart.

May, Wong, Chang and Lee steal the Agnes back. Maia gets taken hostage in an attempt to stop them.

The stress of almost certain death in her rescue of the treasure hunters triggered Maia to remember an event from her past.

Maia is unable to concentrate on her new mission which is to find a girl that has been kidnapped by the slave traders. Shizuka is injured due to Maia's lack of concentration.

Maia has memories of her past.

Maia is told the reason behind her false memories. Tony tells the Nereids about Maia's capture. Shizuka, Yu and Gloria quit Nereids on account of Rena's apparent cold-heartedness towards Maia's situation. Tsukasa returns from Greenland City and is immediately taken by Shizuka to help rescue Maia from the Ocean Agency.

While the treasure hunters chase off the Ocean Agency's pursuit vehicle, Maia descends into the shell of the city proper. Once inside memories flood her mind.

The Nereids make a PR video.

Gloria and Maia switch bodies.