Stephanie Meanswell loves her summers in Lazy town, but this year her mum and dad send her to another town, to meet her aunt and uncle, and her cousin Pacifica. The pines twins feel much the same way about the summer they spent in Gravity Falls, however after a strange turn of events they end up in Lazy Town. With so many ROTTEN people running around how will our heroes react and what will they learn about the nature of being good.