Matt Webster finds his world shattered when his wife walks out, leaving him with their four-year-old son. Grief and shock are compounded by the challenge of having to cope as a working single parent, juggling childcare and the considerable demands of his job. Having been something of a hands-off parent prior to his wife's departure, he is thrown in at the deep end. And, forced to cope as a single father, Matt learns for the first time the true heartbreak and joy of unconditional love.