[s1e17] ...in Translation -

This episode serves as the turning point for Jin-Soo Kwon. The flashbacks reveal that his "villainous" behavior—working as a violent enforcer for Sun's father, Mr. Paik—was actually a desperate sacrifice to be with Sun. On the island, he begins his redemption by joining Michael to help rebuild the raft, uttering his first English word: "Boat" .

The episode ends with a "meta" moment where the musical montage (Damien Rice's "Delicate") abruptly cuts off as the batteries in Hurley’s Discman die. This serves as a stark reminder that even emotional comforts are finite resources on the island. [S1E17] ...In Translation

After Michael and Sawyer accuse Jin of burning the raft and Michael begins beating him, Sun finally breaks her silence, screaming in English for them to stop. This episode serves as the turning point for Jin-Soo Kwon