25-year-old Iiris and Karoliina have been best friends since childhood. Karoliina has been travelling and living abroad for some years now, but is coming back home for the summer as Karoliina has gotten them a job as waitresses in Hanko, the best summer city in Finland!

寒假期间，爱吵架的两兄弟鼻涕和水花，搭火车前往偏远小镇探望奶奶，却在抵达的时候，发现一切都变了样！两兄弟展开调查，发现小镇和居民都面临危机，于是他们开始追捕一名神秘的偷洞小偷，最终，这对年轻英雄不仅拯救了小镇，还拯救了其他地方，事实上，他们拯救了全世界避免被一个巨大的黑洞给吞噬！