It is wrong to abadon you friends.
Keith drove with Jim to the beach, where Keith met two girls who invited him to go to a movie.
Keith wants to go to the movie with the girls he met.
Keith finds Jim and drives him and the two girls to the movie theater.
Keith takes his car and drives with the girls to the movie theater without informing Jim.
Jim partners up with one of the girls, and they end up making dinner plans for later in the week.
Jim wanders around the beach looking for Keith, gets sunburned, and has to walk home.