Sinclair's decisions over the last year catch up with him when an internal affairs investigator arrives to test the crew's loyalty to Earth Force with the help of a telepath. Lennier shows great interest in Garibaldi's attempt at assembling a 1990's motorcycle.

When strange signals start coming from Epsilon III, the planet below Babylon 5 that was believed to be uninhabited, a science ship is sent to investigate. Meanwhile, Garibaldi worries about a lover he left back on Mars when a revolt against the Earth Alliance breaks out there.