While exploring the currents in the Briar Patch, the Excelsior crew realize the Tholians have a greater presence in the patch than previously thought. An ambush on a planet surface leaves Barrett racked with guilt and it's up to his friends and colleagues to rally round him. Meanwhile, a diplomatic conference with the Tholian Ambassador raises more questons than answers.

• Bobby Rice
• Arthur Bosserman
• Joanne Busch