Study guides for Act 1 of "Macbeth" are available on SparkNotes.com and CliffNotes.com. Both study guides cover the entire play but include extensive material on Act 1 specifically.
Comprised of seven scenes, Act 1 of "Macbeth" is primarily concerned with establishing the dramatic premise of the play. It introduces the characters of Macbeth and Lady Macbeth and establishes the former's ambition and the latter's strength of will and resolve. The first few scenes of the play also help establish a dark mood that permeates the rest of the work, opening with a storm, a coven of witches and other ominous symbols.