Mother-in-Law, Son-in-Law is the sexually explicit tale of lonely people trying to find happiness by daring to follow their hearts. Some people shout about finding the wild place, whilst others are quietly swimming in it... Kate married far too young. Now husband Alex, once the love of her life, bores her to tears. He's so busy gardening and watching repeats of Top Gear on the tele, he would never guess about Kate's secret life with her lover Colin. But gardening and Top Gear can keep a man happy for only so long. Especially with a mother-in-law as voluptuous and gorgeous as Julia, a lonely widow who hasn't had sex for five years...