A group of friends from Boston who feel stuck in life experience an unexpected wake-up call after one of their friends dies unexpectedly.

As an acclaimed college professor prepares to unveil her landmark study that sparks love between strangers, the launch is threatened when she’s criticized for not taking “The Dating Test” herself. Though she’s vowed never to fall in love again, she agrees to take the test with her biggest critic.

Recently divorced Melanie brings her son to a remote island for Christmas, where she connects with a lighthouse owner.