The Detective Team is launched into the Castle Fantom where Fantomcat emerges, briefs them of his imprisonment and joins the team in their pursuit for Marmagora who has summoned Baron Von Skeltar from the past.
Marmagora has recruited the Monk Mantis to deal with Fantomcat. Meanwhile the Detective Team thwart a raid by the Crab Twins. Monk kidnaps Tabs to lure Fantomcat to a trap, but with the aid of his ring, Fantomcat defeats Monk.
A warrior called Scorpio thwarts Metro City's crimes. This is just to get Fantomcat blacked out, but the Detective Team catch wind of Marmagora's plot. Fantomcat emerges from his defeat to beat Scorpio and prevent an atomic explosion.
Marmagora hijacks Mr. Bucks' Aeroship, the perfect getaway vehicle for raids. The Detective Team board the Aeroship and in an ensuing fight, cause the Aeroship to self-destruct, but are able to thwart Marmagora's heist.
Tabs is abducted by the Monitor to his asteroid base. His interest is for Fantomcat to find a crystal shard by following cryptic clues. After finding it, Fantomcat infiltrates the asteroid base, disrupts Monitor's plan and rescues Tabs.
Professor Oliphant gets taken by Vile's beetles to reveal his secrets with a mind leech. Fantomcat follows Tabs and Lindbergh's trail and after a brief revival by the spirit of his father he rescues his friends and the professor from their captors.
At Mrs. Gobling's castle ball, Hypnotist Heudini puts the party guests in a trance to steal their jewellery. Fantomcat gets caught by Marmagora, but he escapes, counters her goons and retrieves the stolen jewellery.
Deep beneath Castle Fantom arises the Mina Tiger, which confronts Fantomcat and tries to kill him in a losing battle. Fantomcat manages to get the Mina Tiger destroyed by a bolt of lightning.
Marmagora sends the Chameleon Bros. to steal Fantomcat's ring, costing the life of one of them. The Detective Team track Marmagora's goons, prevent the Spectral-Vac from its test phase and Fantomcat finishes off the other Chameleon.
Marmagora steals a power crystal, which may spell Fantomcat's end to come by the hand of the demon warrior Nemesis in the form of Sodium-filled giant robot. The Detective Team help Fantomcat to destroy Nemesis once and for all.
With the help of Egyptian Rah and his crystal ball "The Eye of Harakti", Marmagora tries to cause a powercut that will enable her access to the city bank
Fantomcat is feeling homesick and wants to return to his own time. However, Baron Von Skeltar is hiding on the ski slopes wanting revenge on both Fantomcat and Marmagora.
Marmagora is at large once again, covering the city with a giant web. Tabs and Lindbergh have to navigate their way across the city to shut down the machine generating it, whilst Fantomcat and MacDuff are equally occupied fighting Marmagora's spiderbots
