The beautiful seaside town of Garber is buzzing with visitors. It is hosting a triathlon and Dune House, the majestic bed and breakfast on the beach, is at full capacity with competitors, coaches and race officials. Suzie and Mary are rushed off their feet, but are excited to be hosting their guests. But then…. Suzie and Mary find themselves right in the middle of a murder investigation when someone lands up dead and the prime suspect is staying at Dune House. They decide to do a little sleuthing of their own and help the investigation along. But when Detective Wes starts acting very suspiciously they find that they have not one mystery to solve, but two. Will Suzie and Mary find the culprit before all the suspects run away? Just what is Wes hiding?