Ep 16. The Listener

The episode "The Listener" of Hawaii 5-0 season 5 revolves around the investigation of a serial arsonist who targets couples. The team is called in to investigate the case after a couple is found dead in their burned-down home.

The investigation leads them to a man named Jason, who is a former firefighter and has a past connection with one of the victims. Although the team is suspicious of him, they don't have any solid evidence to arrest him.

Meanwhile, another couple is targeted by the arsonist, but they manage to escape. The woman, who is deaf, becomes a key witness, as she was able to see the arsonist's face.

The team enlists the help of a sign language interpreter, who helps them communicate with the witness. Through her, they learn that the arsonist was wearing a distinctive shirt, which leads them to a thrift store where they find the shirt and a receipt with Jason's name on it.

When the team confronts Jason, he denies any involvement in the arson and claims that he was at home during the time of the latest attack. However, when the team searches his home, they find evidence that he was in fact the arsonist.

With the evidence, they arrest him and bring him to justice. In the end, the team reflects on how they were able to solve the case by listening to the witness, despite the language barrier.

Overall, "The Listener" is a captivating episode that highlights the importance of communication and teamwork in solving crimes.