Arthur plot
"Meet the world's only loveable billionaire."
Arthur is an irresponsible charmer who has always been able to count on two things: his infinite fortune and the common sense of his ever-faithful 'nanny' Hobson (Helen Mirren), who always keeps him out of trouble. Now he faces his greatest challenge; he must choose between an arranged marriage to ambitious businesswoman Susan (Jennifer Garner) or an uncertain future with Naomi (Greta Gerwig), the woman he truly loves. Is he going for his excessively luxurious lifestyle or for the one thing money can't buy: real love.