When Lincoln Swift finds a two–month–old infant on his doorstep, it's panic time! Still, he takes the child in, believing she's his MIA brother's. Then he turns to social worker Maddie Templeton for help. But his relationship with Maddie is complicated by past beefs and a present attraction that grows ever fiercer as they bond over the baby.

Linc knows this instant family could be taken away from him in a heartbeat. Will he propose a more permanent arrangement to Maddie just for the baby's sake? Or will she drive a hard bargain of her own, holding out for the truest Christmas gift a man could give?