Charley Cooper and his 'Other-Time' friends are forced to set off on another adventure - to defeat their 'arch-enemy' Blackthorne, once again! However Blackthorne seems to have completely disappeared - from 'Earth-Time' and 'Other-Time'!Charley uses his 'abilities' to try and locate the evil genius and to thwart his diabolical schemes.Meanwhile he still has to keep his 'double-life' secret from everyone in 'Earth-Time' - and this includes best friend Colin! This just isn't easy - and keeping secrets from Colin doesn't make Charley feel particularly good about himself.So where will Charley find Blackthorne - and what will he do once he does?How will he cope with his 'double-life' - and keep Colin's friendship? 'Step-in' to 'Other-Time' - and beyond - with Charley Cooper. Join Charley on his most challenging adventure yet!