In the close-knit community of Chesapeake Shores, Maryland, Susie OâBrien and Mack Franklinâs not dating claim befuddles everyone, especially since the two spend every spare minute together. Susieâs thrilled when their friendship finally heats up. Then, just when happily-ever-after seems within reach, Mack loses the job he loves and Susie faces a devastating diagnosis. But OâBriens always unite in a crisis. Even her cousin Jess, Susieâs rival for most of their lives, becomes her staunchest supporterâespecially when Mackâs former lover comes to town. The stakes are higher than ever before, but Susieâs definitely up to the challenge⊠as long as Mackâs right there by her side.