Friendship in Dr. Jekyll and Mr. Hyde serves to drive the plot forward. Aside from human curiosity, Mr. Utterson is compelled to uncover the mystery of the evil man because of his friendship with Dr. Jekyll. In trying to unravel the secret, his many friendships deliver crucial pieces of information. In this sense, friendship acts as both a motivator and an enabler. As for the friendship between Dr. Lanyon and Dr. Jekyll, it’s certainly not as unconditional as the loyalty Mr. Utterson bears for Dr. Jekyll. Instead, it’s fraught with competition, anger, and eventually an irreconcilable quarrel. We see that friendships can be ruined by differences of opinion.
Mr. Utterson’s friendships play the most critical role in driving the novel forward.