James, Laura, and Deborah along with their friends Kip, Lydia, and Gordy relate their experiences when the unpredictable old wishing well in the backyard continues to involve them in a variety of magical adventures.
While spending the summer in a house by the sea, four cousins, Roger, Ann, Eliza, and Jack, discover a bank of wild thyme whose magic propels them on a series of adventures back and forth through time.
When the family moves to Connecticut, twins James and Laura make new friends and begin a series of unusual adventures after discovering an old well that seems to be magic in their backyard.