Diplomatic Orders

Diplomatic Orders is the fifth episode of Star Trek: Renaissance

Plot
The USS Enterprise (NCC-1701-F) has been ordered by Admiral Quinn to head to Vulcan to pick up Ambassador Sokketh to take him to the Vulcan monastery at P'Jem, while on route the Ambassador doesn't show very interest in knowing the crew but when they approach the planet a squadron of three Klingon vessels demand the Ambassador and accuses him of being a member of Species 8472. After getting rid of the Klingon vessels but when T'Pela contacts the Enterprise to reveal the real Ambassador was found dead it becomes apparent that they have 8472 with them!