Although her past is shrouded in mystery, Kate's positive qualities are clear from her first moments on the island.
n the initial crisis she shows bravery and determination, stitching the wounds on Jack's lacerated back despite having no medical training.
Intelligent and level-headed, she strikes up a close friendship with Jack, but not everyone warms to her. Sawyer, in particular - convinced she is not the innocent she first appears - is full of awkward questions...