Riven: When Storms Collide

When Dara frees an elf to return the goddess Ceridwen's stolen cup, balance and peace should return. Instead, the restoration unleashes a storm of revenge. Having brooded over the loss of her cup, Ceridwen plans to punish the to gods who aided the thief. As a result, when Dara heads for Scotland to find her mother, an elf of the clan bound to Ceridwen, she and her friends step into a whirlwind of strife.
Because Dara and her friends know who is behind the disastrous storms and what triggered the goddess' anger, an elven queen recruits them to locate the Triad of protectors ho hold the shards of Excalibur, carrying King Arthur's legacy into their day. But the Triad is hidden, and its leaders divided. Can the young Canadians reunited those who carry Arthur's legacy and find a way to hold back the storms?