Mae diwrnod yr angladd wedi cyrraedd ac mae emosiynau pawb yn byrlymu i’r wyneb. Daw ymwelydd annisgwyl â llond gwlad o broblemau i’w chanlyn. Mae Wil a Caitlin yn closio yn eu galar. Ond a fydd pethau yn ormod i Efan?


The day of the funeral has arrived and everyone’s emotions are bubbling to the surface. An unexpected visitor comes with a whole host of problems to follow. Wil and Caitlin huddle in grief. But will things be too much for Efan?

Rownd a Rownd airs at 8:25pm on S4C and On demand: S4C Clic; BBC iPlayer and other platforms