A frustrated wife and mother wakes up one night to find a hand stroking her bottom. Initially, she thinks it's her husband but, after a delightful few moments, she remembers with a jolt that he's away on business. There's only one other explanation, but something makes her hesitate...
An adult brother and sister (with flashbacks to their teen years) and his two teen daughters and their life together, swinging with neighbors, until they come to realize that they are more than just brother and sister. Note there is bisexual male/male sex and some watersports.