Marin has second thoughts about her feelings for Jack and invites him to be her wedding date. Patrick and Annie's wedding is threatened by dangerous and unforeseen events. Meanwhile, Jane flies in for their nuptials and has an impulsive reaction when she sees Sam with his date; Mary Alice develops a relationship with a very unlikely Elmoian; Dick and Celia become way too attached; Sara helps Eric deal with the fallout of his actions toward his congregation; and Cash returns to Elmo.

Jack's ship has gone down in the Bering Sea, but Marin doesn't know this and is upset by his lack of communication. And when she finds herself being romantically pursued by her publisher, Stuart, she must decide whether or not the possibility of Jack is worth waiting for. To complicate matters further, Patrick, still suffering from amnesia, also takes an interest in Marin -- which proves very upsetting for Annie. Meanwhile, on a trip to a snowplow convention, newlyweds Jane and Sam come up with a unique living arrangement; Sara and Eric take a step forward in their relationship, which also means a step back; and, adrift at sea, Jack must make a very tough decision to save his life and Julia's.