Corporate accountant Sienna expects an uneventful evening auditing numbers at a grand charity banquet. Everything shatters when an adorable four-year-old girl grabs her skirt in front of flashing cameras, loudly calling Sienna mommy while pointing to Casper Hawthorne, the city's most ruthless corporate titan, as her daddy.
To avoid a media firestorm, Casper offers Sienna an astonishing multimillion-dollar marriage contract with one explicit restriction: romantic attachment is forbidden. But as the precocious little girl drops hints about future events and Casper's hidden devotion comes to light, Sienna questions whether their encounter was truly accidental.
