Hearing that Aaron and David are planning for children, and that theyve decided to use Aarons DNA, Chloe panics. Still afraid to come clean about her Huntingtons diagnosis, Chloe subtly plants the idea that David should be the donor instead. But when her attempts fail, Chloe becomes uncharacteristically distraught. Realising shes only delaying the inevitable, Chloe finally tells her brothe... (thetvdb.com)