Mae pethau'n mynd yn fwy rhyfedd ym mywyd gwledig Della wrth i ddwr y ty droi'n ddu ac wrth i batshys ymddangos a diflannu.
There's something strange going on with the waterworks in Caleb and Della's new home - a disturbance in the mains that is spooking them out and patches of water appearing and disappearing at random. Elinor meets Heddwyn and a spark is ignited instantly - but does Heddwyn, with his photographic memory, recall Elinor from some other time'
