miley and jackson have a fight that leads to jackson hitting his head and getting amnesia. at first, miley likes this because this way jackson can be different because he does not remember how he did act before. but soon miley misses her old brother. lilly pretends to be rico's girlfriend because his cousin angus visits and he has a girlfriend. it turns out lilly and angus' girlfriend were only pretending because angus promised to help her in spanish, and rico promised lilly help with math.
i loved this episode, definitely one of their bests, it gets an A+ from me