"[Debra""s voice-over described how this first night of shooting was "the night when everything changed.He vowed to remain silent (and that neither he nor his wife would leave the planet), but prepared a space-craft in his lab, with the knowledge of his wife Lara (Susannah York), to launch their infant son Kal-El (wrapped in a red, blue, and yellow blanket) toward distant Earth where there was primitive life.In a great idyllic film sequence, they enjoy each other""s company, singing, dancing, walking, swinging on a flower-decorated swing, quickly swept up in their love for each other at the May festivities.In the meantime, he believed his one-night stand with Evelyn was just that - a one-night encounter.However, the increasingly-disturbing, overbearing and obsessive behavior of psycho-stalker Evelyn had already begun to exhibit itself.