Twelve-year-old Dash and his best friend Lily are spending the summer at Back Sand Beach, where Dash's family has a house. But nothing is as it seems from the beginning. The beach house is a shack, and Dash's weird relatives are there. But more alarming is the zombie ram that crashes through the front yard. And the ghosts that call out to Dash from the lighthouse. . . . Each book contains two to three connected stories.