Morningtime in the Argonauts Agency passed by like any other. But suddenly, a courier burst in and demanded the team go at once to famous artifact collector Pelias' manor. When they arrive, they see Pelias is in trouble. Someone secretly delivered a chair to his house, and when Pelias sat down for a rest, shackles burst out and chained him down. How is the team ever going to free him! Join the Argonaut team, free Pelias from the trap and crack the case of Hephaestus' chair!