Prince of spin and life of the party, Baz King, is missing. Nine years ago, at an innocent summer barbecue in Melbourne, everything imploded. For the Kings and the four other young families there that fateful day marriages fractured, friendships crumbled and lives were upended.

Nothing would ever be the same.

Now in their forties and their children teenagers, Baz King cannot be found. Has his charm finally run out? With a history of dodgy dealings and no shortage of motives anyone could be a suspect - his ex-wife Birdie, his work colleague Alex Turner, his lover Jess and lover's husband Richard, his friend's nanny and new wife, Madison - who wants him out of the picture?

The Pool examines the enduring shrapnel of tragedy: if you witness the worst thing imaginable, how does it change you? How does it shape the rest of your life? Could it make you a murderer?