Very much in the vein of the “Fisherman’s Friends” family dramas, this one brings handsome “Cal” (Jonno Davies) back to his English West Country home after three years absence. He had hit the big time as a singer-songwriter then absconded - pretty much without trace, and so his return isn’t universally welcomed. Just to add to his troubles, the now penniless musician discovers that his dad (Martin Clunes) and…