1x65 - Pokémon Horizons: The Series

Spinel's plan seemed to have worked and in the process of it, Liko is trapped in a cave with Amethio and unable to get out. To make things worse, Roy and Dot have been stopped by Sidian and Coral, in order to prevent their search for Liko. What was Spinel's true plan and will Liko manage to escape from the cave?