Wells decides to follow Stevenson to stop him from changing events in time .
Wells and Jane determine that Stevenson has traveled to 1918 in order to save his son , Henry Ayers , who died during a transport on March 30 .
Wells decides to follow Stevenson to stop Stevenson from changing events in time .
Wells and Jane determine that Stevenson has traveled to 1918 in order to save his son , Henry Ayers , who died during a transport on March 30 .