Handsome rising Lodon architect Tom Barns visits his family's luscious Scottish seaside estate to celebrate aunt Maud's 75th birthday. Tom's partner in both senses decides on the way not to come along, but later changes her mind again. She acts jealous learning Tom spends some time with his local youth lover Kitty. In fact Tom bonded instantly with her young, sadly fatherless son Crispin, whom he tries to save from Kitty's absurd baby-mothering. Her ruining their kite makes Crspin run away and hide with grumpy old shepherd James Lowery, whose bitterly frozen paternal heart thaws thanks to the boy. Kitty discloses a major secret. Maud's own first love Ned Goldman turns up and proposes again.