Olivia Tyler loves helping foster children find their forever homes, but she’s still waiting for her forever love. Ever since her ex-boyfriend humiliated her on Facebook, she hasn’t been ready for a commitment. But on the night of the charity auction for her adoption agency, she gives in to temptation with a stranger who helps her out of a jam…and out of her bright-blue stilettos.

After the most mind-blowing romantic night of her life, everything about Max Right seems perfect: he’s handsome, chivalrous, and he’s about to launch an algorithm-based matchmaking app with an extraordinary success rate. But when Olivia finds out her mystery man is also someone else’s fiancé, no matter how much they seem to click, this romance doesn’t add up. For Olivia, unavailable means incompatible.

When a troubled teen comes to both of them for help, Olivia is willing to put their differences aside temporarily. But as the three spend time together, she discovers the truth about Max’s heart, and it just may be the key to opening her own.