In the South Carolina Lowcountry, three generations of a family--a grandmother, a mother, and a son--discover the indelible power of love as they share a memorable summer on Sullivan's Island.

Beekeeper Holly McNee Kensen quietly lives in a world of her own on Sullivan's Island, tending her hives and working at the local island library. Holly calls her mother The Queen Bee because she's a demanding hulk of a woman. Her mother, a devoted hypochondriac, might be unaware that she's quite ill but that doesn't stop her from tormenting Holly. To escape the drama, Holly's sister Leslie married and moved away, wanting little to do with island life....

"It is summer's end and Sea Breeze, the family's beloved estate on Sullivan's Island, must be sold. It is an emotional time of transition as Mamaw and the three sisters each must face loss and find a new place in the world. Harper, the youngest sister, arrived at Sea Breeze intending to stay only a weekend, but a rift with her wealthy, influential mother left her without direction or a home. During this remarkable summer, free from her mother's tyranny...

While visiting a friend of their grandfather's on Sullivan's Island, off the coast of South Carolina near Charleston, the Boxcar Children encounter mysterious activities related to rumors of a buried pirate treasure.