They'renotjustfourofthebestsecretagentsintheworld,they'reafamily.Livingandworkingtogetherasanelitespecialopsundercoverunit,theypossessuniquetalentsandabilitiesfarbeyondthoseofmortalfamilies.TheX'sworkforthefinestsecretspyorganizationintheworld,SUPERIOR,whichislockedinaneternalstrugglewithSNAFU,aterribleagencyofevilwhoseviletentaclesofbadnessreacheverywhere.