Caryn knew that she would be going next had she not known Tom would be a threat.
Ian promised Katie to take her on a reward challenge.
But he took Tom instead and that hurt Katie's feelings really bad.
Katie showed Ian that if you break your promise, it would come back and bite you in the rear end.
Katie didn't want anything to do with Ian but Ian really felt very badly.
Trying to patch up his friendship with her.
They kiss and make-up eventually.