In ``Inertia,'' the lives of four characters are sidetracked by desire into deception, adultery, and incest. Joseph cannot accept that Laura doesn't want him anymore. Laura is infatuated with Joseph's close - and married - friend, Bruce. Bruce finds himself attracted to Joseph's 19-year-old cousin, Alex. Alex, on the other hand, has come to the city to move into Joseph's, with ulterior motives...