Star Trek: Hidden Frontier - Season 7 Episode 3 Past Sins
7.2048 minutes
Tetrahedron research is continuing, but without vital assistance from people in Dao's past, gathering key information about locating and protecting the other Tetrahedrons has stalled out. Dao volunteers to return home and obtain further assistance from his former colleagues; but this mission may very well cost him his life, and the life of his host.