Two days after Agent Liam has dealt with invisible Dragons, the team begin to act very strangely. Whilst Dan and Mortis become best friend, Liam confronts an alien through rapping. Everyone's agreed on one thing: they are happy. But is this new false happiness a gift or a curse? And where is it coming from? Agent Liam finds himself making one of his hardest decisions yet, as humanity gets the closest it ever has to world peace.