The Hidden Billionaire Landlady

Landlady Serena Shaw collects rent from Julian Jacobs. Three years ago, he ignored her love letter; now, scammed, he lives in his bar. With roles reversed, her former crush is a tenant at her mercy. Will she seek 'revenge'? As her genius identity is exposed, their crush is rekindled. His reply, three years late: he won't misjudge her again. Who will be 'mortgaged'?