Sabbaticals picks up after the events of Monsterology 101, with several team members pursuing their own agendas. The Lamont Institute may have stumbled, but it takes more than death to stop their plans, and now they are aware of Samwi''s potential, she has become their quarry. Professor Tovar''s parasitic secret is leading him into the deep darkness, towards a fate that may have consequences far beyond ridding himself of his personal burden.