Sydney Whitmore, a forensic psychologist living in San Francisco, moves home to Shipwreck Island, and the resort owned and operated by her family, after tragedy strikes leaving her struggling for a way to make sense of things. After finding out about the assault of an old friend, which has left him comatose, she renews her relationship with Ezra Reinhold, a reclusive billionaire who enjoys poking around in cold cases and has the means to hire the best people to find the answers no one else has been able to.

After suffering a personal tragedy Abby Sullivan buys a huge old seaside mansion she has never even seen, packs up her life in San Francisco, and moves to Holiday Bay Maine, where she is adopted, quite against her will, by a huge Maine Coon Cat named Rufus, a drifter with her own tragic past named Georgia, and a giant dog with an inferiority complex named Ramos. What Abby thought she needed was alone time to heal. What she ended up with was, an inn she never knew she wanted, a cat she couldn't seem to convince to leave, and a new family she'd never be able to live without.

Ainsley Holloway had come to Gooseberry Bay to find answers about her past. She’d come to find an explanation for the dreams that haunted her after the death of the cop who’d both rescued and raised her. And she’d come to identify the family she couldn’t remember but knew in her heart she’d once belonged to.

Most Sinful residents are unaware of Carter’s crisis and are going about their daily lives as they always have, including local prankster Gage Babin. Except this time, Gage’s attempt to elicit laughs leaves him on a slab in the medical examiner’s office. Everyone knows how unhealthy he was, but Fortune thinks there’s more to his death than a poorly timed prank that caused his bad heart to give out.

Shelby Morris came to Holiday Bay after receiving a huge inheritance from a woman she'd never met which she'd been destined to share with two half-sisters she'd never knew existed. It took some time for the three very different siblings to settle the estate in a manner that was agreeable to all of them, but in the end, it was decided that Shelby would stay and take care of things.