Bang is the story of a brother, a sister and a gun. Loner Sam's life is transformed when he comes into possession of a gun and starts to break the law. His ambitious policewoman sister Gina is paid to uphold it and makes it her mission to find the owner of the weapon. The family saga plays out against an inquiry into the shooting of a local businessman that raises questions for Sam and Gina about their father's murder when they were young children. A crime drama about blood, love and human relationships set in the steel town of Port Talbot.

Stevie Rose's widow Patricia astounds the police by offering a reward for information that might lead to the discovery of her husband's murderer. Gina becomes convinced that Sam's new neighbours have something to hide and Sam finds it increasingly difficult to live with the gun. Gina comes across a face from the past whilst investigating Stevie's murder and Sam loses someone very important.

Stevie Rose's widow Patricia astounds the police by offering a reward for information that might lead to the discovery of her husband's murderer. Gina becomes convinced that Sam's new neighbours have something to hide and Sam finds it increasingly difficult to live with the gun. Gina comes across a face from the past whilst investigating Stevie's murder and Sam loses someone very important.

Stevie Rose's widow Patricia astounds the police by offering a reward for information that might lead to the discovery of her husband's murderer. Gina becomes convinced that Sam's new neighbours have something to hide and Sam finds it increasingly difficult to live with the gun. Gina comes across a face from the past whilst investigating Stevie's murder and Sam loses someone very important.

Sam is threatened by a colleague after he's wrongly accused of stealing from the warehouse. Cai pressures Sam into compensating him for his sacking and the two make plans to stage a robbery. Gina is formally invited to join the murder investigation and the discovery of the body of one of Stevie's former employees throws new light on Stevie's business affairs. Sam and Cai stage their robbery and Cai is left reeling.

Sam is threatened by a colleague after he's wrongly accused of stealing from the warehouse. Cai pressures Sam into compensating him for his sacking and the two make plans to stage a robbery. Gina is formally invited to join the murder investigation and the discovery of the body of one of Stevie's former employees throws new light on Stevie's business affairs. Sam and Cai stage their robbery and Cai is left reeling.

Sam is threatened by a colleague after he's wrongly accused of stealing from the warehouse. Cai pressures Sam into compensating him for his sacking and the two make plans to stage a robbery. Gina is formally invited to join the murder investigation and the discovery of the body of one of Stevie's former employees throws new light on Stevie's business affairs. Sam and Cai stage their robbery and Cai is left reeling.

Cai is eager to stage another robbery and Sam agrees to target Ray's builders' yard following an argument with his stepfather. The robbery goes wrong when a security guard interrupts them and Cai acts without thinking. The incident frightens Cai and he starts behaving impetuously. Sam is horrified to realise Cai's behaviour has attracted the interest of the police and there are consequences for the pair of them. Gina is angry when she's sent home from work by Layla and Patricia pressurises Gina to give her information about the investigation into Stevie's murder.

Cai is eager to stage another robbery and Sam agrees to target Ray's builders' yard following an argument with his stepfather. The robbery goes wrong when a security guard interrupts them and Cai acts without thinking. The incident frightens Cai and he starts behaving impetuously. Sam is horrified to realise Cai's behaviour has attracted the interest of the police and there are consequences for the pair of them. Gina is angry when she's sent home from work by Layla and Patricia pressurises Gina to give her information about the investigation into Stevie's murder.

Cai is eager to stage another robbery and Sam agrees to target Ray's builders' yard following an argument with his stepfather. The robbery goes wrong when a security guard interrupts them and Cai acts without thinking. The incident frightens Cai and he starts behaving impetuously. Sam is horrified to realise Cai's behaviour has attracted the interest of the police and there are consequences for the pair of them. Gina is angry when she's sent home from work by Layla and Patricia pressurises Gina to give her information about the investigation into Stevie's murder.

Gina comes across information that casts fresh light on her father's death and the discovery leads to an honest conversation with Linda about the past. Sam meets a woman called Ela who turns his life upside down.

Gina comes across information that casts fresh light on her father's death and the discovery leads to an honest conversation with Linda about the past. Sam meets a woman called Ela who turns his life upside down.

Gina comes across information that casts fresh light on her father's death and the discovery leads to an honest conversation with Linda about the past. Sam meets a woman called Ela who turns his life upside down.

While staying at a hotel Sam and Ela take advantage of another guest with heartbreaking consequences for Sam. Gina searches for more information about her father's death.

While staying at a hotel Sam and Ela take advantage of another guest with heartbreaking consequences for Sam. Gina searches for more information about her father's death.

While staying at a hotel Sam and Ela take advantage of another guest with heartbreaking consequences for Sam. Gina searches for more information about her father's death.

Gina starts to suspect Sam and the truth comes out about the gun. Gina is forced to make a difficult decision and a meeting with Douglas Rose floors her.

Gina starts to suspect Sam and the truth comes out about the gun. Gina is forced to make a difficult decision and a meeting with Douglas Rose floors her.

Gina starts to suspect Sam and the truth comes out about the gun. Gina is forced to make a difficult decision and a meeting with Douglas Rose floors her.

Gina is horrified to learn Sam is in danger. The truth about Stevie Rose's murder is revealed. Gina discovers something in Ray and Linda's house that leads Sam to remember what exactly happened to his father.

Gina is horrified to learn Sam is in danger. The truth about Stevie Rose's murder is revealed. Gina discovers something in Ray and Linda's house that leads Sam to remember what exactly happened to his father.

Gina is horrified to learn Sam is in danger. The truth about Stevie Rose's murder is revealed. Gina discovers something in Ray and Linda's house that leads Sam to remember what exactly happened to his father.