Shortlybeforesummerbreak,Marianneandherfathermoveintothehouseatthelake.Afterawhile,shebecomesfriendswithMichael,nicknamedMarble,andAlbert.Marblelikestocollectinsectsandlovestoeat.Albertwantstobeascientistandhasanoldbrokendownconvertiblefromhisdad,thathewantstotransformintoanextraordinarymachine.Onenight,theyallstayuptolookatthestarsthroughatelescope.TogetherwithMarianne`sfatherandtheirteacherMs.Korn,theylearnabouttheSolarSystem,itsplanetsandcomets,andevenwhysomeconstellationsarenamedaftercharactersfromGreekmythology.Thatnight,Marianne`sdollLucycomestolife.Whenshesuggestssettingofftocollectcometglittertogether,thegroupcanhardlybelievetheirears.Thethreekidsthinkitsoundslikefunand,togetherwithLucyandAlbert`smachine,theyflyintospace,wheretheyareinforafantasticadventure.