sentences:  The module has been described as a low-level scenario that carries on where "The Sinister Secret of Saltmarsh" leaves off.It is the second module in the "Saltmarsh" series.The second of three related adventures in an underwater campaign set in the town of Saltmarsh, the module is a sequel to U1 – "The Sinister Secret of Saltmarsh" and is followed by U3 – "The Final Enemy", which concludes the series.