Office cleaner Sam, a struggling mum with a gambling addiction, plunges herself into the world of insider trading when she discovers a risky opportunity to turn her life around.

Sam’s money-making plans start to take off, but they come at a great cost. Sam tries to make amends as she faces the possibility of losing Alice and Lily.

While the net closes in on their illegal activities, Jess makes a pivotal discovery in the office. Sam takes a chance on a new contact and gets in deeper with the insider trading network.

After a shock appearance at the Network meeting, Sam tries not to let her mask slip. The gang attempt to acquire some secret information as Sam organises a Birthday party for Lily.

Sam struggles to deliver on the promises she makes to Swanny as the two of them grow closer. Meanwhile, Jess and Mina are put under pressure to come clean.

As Sam risks losing everything, she faces the disastrous consequences of her actions. Running out of options, Sam must confront the network of insider traders.