Kate and Sawyer find a locked silver briefcase in a submerged plane. Kate is desperate to open it, leading to a power struggle with Sawyer and eventually Jack. It is revealed the case contains a toy airplane belonging to a man Kate loved.
Season 1, Episode 12, titled "Whatever the Case May Be" . Evangeline_Lilly_Lost.S01E12.brx_by_scott253.mkv
Evangeline Lilly , who plays the character Kate Austen . This episode is "Kate-centric," focusing heavily on her backstory and her actions on the island involving a mysterious silver briefcase. Kate and Sawyer find a locked silver briefcase