Murray is a nice guy. Everyone says so. So no-one is more surprised than Murray when, on her 40th birthday, his wife walks out on him. So begins Murray's quest to discover what went wrong and how to win her back.
Down-on-his-luck Carter has recently become homeless, single and unemployed. Desperate to win back his ex-girlfriend, he goes off on an adventure throughout London to find her, picking up some odd helpers along the way.