When Bert is released from prison, there's only one person she can turn to and rekindle her friendship with.

Bert reveals her master plan, but Sam knows nothing that will ever be straightforward with Bert - meanwhile, a shock discovery threatens to derail the heist.

With Sam reeling and Bert desperately trying to keep control, the heist is thrown off track when trouble from home catches up with Bilal.

Just when the gang is on a high and heist preparation is at full throttle, an unforeseen disaster derails their plans and they must adapt if they are to achieve the impossible.

Sam enlists an old friend's help but leaves Bert feeling betrayed - with the heist imminent, Bert and Sam struggle to keep their secrets hidden and their partnership intact.

It's the day of the heist, but Sam and Bert must keep it together to pull it off with tensions high, bitter resentment and revenge afoot.