In the dramatic series "Goliath," the story revolves around a famous American lawyer named Billy McBride. This man is obsessed with his professional career and is willing to chase after ambulances to gain a new client. But one day, luck turned against him and he lost his position. After going through a period of severe depression, Billy is ready to enter the battle once again and regain his lost standing. He finds himself with a case that could change his life.