In this episode, the captive Straw Hats and Marines are being broadcast to underworld brokers across the New World. Trapped in a cage and facing Caesar Clown’s deadly gas, Trafalgar Law reveals a masterful counter-play.
The Episode 603 Wiki Page provides a full beat-by-beat summary and trivia. One Piece Episode 603
: Law reveals he replaced the Seastone chains in the lab with fake ones long ago, allowing him to use his "Room" ability even while "captured". In this episode, the captive Straw Hats and