Kat is a tough, independent woman who makes her living as a professional poker player. She is single, childless and happy about it. But when her best friend, Josie, commits suicide, she names Kat as the temporary guardian of her ten-year-old son, David, until his father can come for him. In the few weeks that David is with her, Kat finds herself changed in ways she had never thought imaginable. With the old poker adage "bet with your head, not your heart" ringing in her head like a warning bell, Kat nevertheless finds that all the money and success in the world don't mean a thing unless you have someone to share it with...and that maybe there is more to life than winning after all.