Hidden Frontier

Dao's past on Trill haunts him when he returns home in an attempt to kick-start the stalled research on the Tetrahedrons, and Doctor Henglaar has his own problems when he must now take responsibilty for his troubled niece - all while dealing with the hurdles of his new relationship with Counselor Elbrey. Meanwhile, Knapp secures assistance in the search for his daughter from the unlikeliest of sources. The pressure continues to build in the 3rd episode of Season Seven, Past Sins. The Tholians may have fallen back to lick their wounds, but Starfleet and her allies cannot afford to let down their guard. The fate of the entire galaxy rests upon the shoulders of the first side to locate and secure the Grey's Dyson Sphere, and in the fight for control of the currents, all the stops have been pulled.