Summertime brings the Fletcher Family back to Rock Island where the good times never end, but this summer the boys' favorite lighthouse is all boarded up and with the help from their new neighbors, the Garcia girls, the boys are determined to find out what is really happening with their lighthouse and saving it, no matter what the cost.

Simone, seventeen, HIV-positive and in love for the first time, decides that facing potential bullies head-on may be better than protecting her secret.

Despite her parents' divorce, her father's coming out as gay, and his plans to marry his boyfriend, ten-year-old Bea is reassured by her parents' unconditional love, excited about getting a stepsister, and haunted by something she did last summer at her father's lake house.

While shopping with her two dads for supplies for her birthday party, Harriet, who is wearing a penguin costume, is carried away by a waddle of penguins and must hatch a plan in order to get herself back to the store in the city.