Goliath (season 4)

The main character is Billy McBride. In the past, he was a successful lawyer. In the present, he's a boozer and a loser. He has no good clients. And those he takes on defense don't have the money to pay the bills. Patty asks Bill to represent her neighbor Rachel in court. Her brother Ryan is accused of blowing up his employer's boat by committing suicide. But Rachel doesn't believe it. Billy takes the case, this is his chance to prove he can do something. But he gets caught by the police, and the judge closes the case in his absence. But Billy decides to continue his investigation. After all, he's already found a witness to the explosion. And later learns that Ryan was working on a secret project.