Mel fell hard for Duncan last summer, and after their first year at college she's looking forward to finding out if the romance has any chance of thriving when they are re-united at their lake houses. But she's surprised when Duncan brings a friend - a female friend - from Florida straining their friendship and dousing the romance in water colder than any Northwood's lake. Again, they are faced with choices about what they mean to each other: are they destined to be merely friends, or can they find their happily ever after? The Summer We Stumbled is the second book in the Denim Days series.