Ep 3. The Ribos Operation (3)

The Doctor and his companion Romana arrive on the planet Ribos, where they are immediately embroiled in a complex scheme involving a valuable mineral known as jethrik. The two are separated and each encounters different individuals involved in the plot. The Doctor poses as a rare mineral buyer and teams up with the con artist Garron, while Romana befriends the power-hungry Ribosian official Captain Graff Vynda-K. As the Doctor and Garron try to acquire the valuable jethrik, they encounter unexpected obstacles and betrayal. Meanwhile, Romana discovers the true nature of Vynda-K's motivations and must make a decision about where her loyalties lie. The episode is full of intrigue and plot twists, with the Doctor and Romana using their wits and intelligence to navigate the complex situation on Ribos.