There's high drama in the lambing shed; and Ruby is not your usual sheepdog but she has a problem with one of her legs and may need an operation.
Aaron gets cold feet as he realises the contents of Dylan's packages, but there's no escape for him now.
Gwenno is hopeful that things will improve, once and for all, between Carwyn and Iestyn following Iestyn's heroic actions towards his father when he was drowning.
