: After slipping onto the Sea Train, Puffing Tom, Sanji leaves a "love letter" on the station wall for Nami. Beyond the flowery language, he provides vital tactical info: he is on board, and he has spotted Usopp and Franky among the captives.
The One Piece Wiki provides a full breakdown of the episode's plot and the Sea Train's technical details. One Piece Episode 253
: Nami learns from Iceburg that Robin didn't truly betray the crew; she sacrificed herself to protect them from the World Government's "Buster Call". This changes the crew’s goal from seeking answers to an all-out rescue mission. : After slipping onto the Sea Train, Puffing