30 years after the Heyworth Dam collapsed, killing his father and the townsfolk of Kisterwich, Zac Drummonds life changes when he is reunited with his childhood journal which unlocks secrets of that fateful day, and leads him on a journey that will change the past, present, and future.

But, someone else has a vested interest in keeping the truth buried, and will stop at nothing to ensure that Zac doesn't find out what really happened.

Will Zac find out the truth?

What are the rules of time travel?

And what happens when you break them?