After a scheming setup, Cecilia Ashton ends up in a single night of passion with reclusive billionaire Sean Sterling, remembering only a unique birthmark on his collarbone. Mistaking him for an escort, she vanishes, unaware she is carrying his heir. Four years later, facing a terminal illness and desperate to secure her son Leo’s future, Cecilia sets out to track down that 'escort' to turn him into a responsible father. As she infiltrates the Sterling empire, she discovers her 'one night stand' is the most powerful man in the city. Can their misunderstanding lead to a fated urban redemption?