This book set in 1625 is the adventurous story of young D'Artagnan who leaves home to join the Musketeers of the Guards in Paris. Although he does not get entry into the corps, he does befriend the three formidable musketeers of the age and gets involved in the state affairs with them. The four together defend the honor of the regiment and the honor of the Queen. However, their most dangerous encounter is with Milady, the lady spy.