PhotonsolarenergygroupisaimingtobuildasolarfarminDanebury.BlissfullyunawareoftheplanAndyandLancearestilllookingforburiedtreasure-constructionworkerAndy,withBeckyandtheirbabylivingwithdisapprovingmother-in-lawVeronicawhilstLanceissharinghisflatwithhismessy,noisyteen-ageddaughterKate.ThegroupisshockedtoreadofPhoton'sintentioninthelocalpaper-butthenAndymakesapotentiallyinterestingdiscovery.