Now he's popular, Lockie's getting a big head. And a short fuse. When the dancing challenged Lockie realises he's expected to bust some moves at the upcoming Blue Light Disco, he takes his insecurities out on Phillip, who's been busy engineering a night to remember for he and Lisa. On the night, it's not only nerves that send Lockie's belly into a tangle, which causes him more than a little attention on the dance-floor. Phillip learns a few hard truths, forcing Lockie to realise how important his brother really is to him.