The Sequel to 'The Septiplier Affair'. It's been a year since Mark had to watch Sean leave with Signe. Leaving him to think that the septiplier ship had run its course. Only to discover it hasn't. Their voyage has only just begun. Now it's a savage struggle to keep their secret from both Signe and Amy as they take the septiplier ship into dangerous waters. With a storm coming fast on the horizon, Mark is tempted to run the ship aground to expose their secret to the world... but will Sean choose to abandon ship to keep it a secret... or will he go down with the ship?