'Mr. Iain MacCormick [...] tried in The Safe Haven to marry a skeleton out of the cupboard of Victorian melodrama with the nonchalance and colloquialism and intimacy of modern domestic comedy. Into a Scottish country house of the present day, ruled by a very career-minded young businesswoman, there saunters from nowhere an old man (Mr. Finlay Currie), who turns out to be none other than the profligate father of her Canadian husband and his wastrel brother. Ignobly, they contrive to keep the dreadful fact a secret, but–thanks to an affectionate child (Miss Carole Lorimer)–paternity must out, and the wife (Miss Pamela Alan) is distressingly confronted by her father-in-law.'
Source:
'Creative Material for Television', The Times, 26 April 1955, p.16.