Lost: 1x12 - Whatever the Case May Be

• Kate retrieves "her" locked metal briefcase from some underwater wreckage; Sawyer takes the case, but can't open it
  
• Kate tells Jack that there are guns in case; Kate and Jack dig up the Marshal's body to retrieve it's key
• Sawyer gives Jack the case after Jack threatens to withhold the antibiotics for his arm
• Kate only wanted the toy plane inside, which belonged to the man she killed and/or loved
  
• Sayid asks Shannon to translate the papers he stole from Rousseau; They are just song lyrics repeated over and over
  
• The camp is moved up the beach due to weird tidal activity
• Boone and Locke continue digging; A depressed Charlie bonds with Rose
  
• FLASHBACK: Kate
• Kate and her crew robbed a bank
• Kate shot everyone in her crew and got the bank manager to open a specific safe deposit box, which contained an envelope