David is called out to a patient who has his leg trapped. Back at the hospital David also notices a lump on the man's chest which he says should be tested and removed. But, the man goes to see another older doctor and he says that the lump is alright as it is. David goes to see the other doctor and ends up in a big disagreement with him. David goes to see the man again to get him to reconsider but he won't. A Flying Doctors offical turns up and tells David not to pursue it any further and that if he doesn't stop his job is on the line, but David won't leave it alone. But, eventually the man lets David do the test and it turns out to be cancer.