Common Thread

Adam needs Joan to be there for him as a friend, but she finds it difficult to forgive and forget the hurt he has caused her. Helen's in a similar, albeit far more serious, situation when the man who raped her 25 years ago attempts to meet with her and personally apologize before he dies of cancer. Meanwhile, Luke disapproves of Friedman's pot-smoking, that is, until he considers marijuana use from a scientific perspective.