Ruth Davidson branded as 'absurd' the FM's claim she forgot an encounter which discussed allegations against Alex Salmond.
Davidson's fee for the new show will go to a cancer centre, the Scottish Tories said.
Marco Biagi plans to go up against former SNP deputy leader Angus Robertson for the key Holyrood seat.
Revealing his new shadow cabinet, new Scottish Tory leader Jackson Carlaw made a raft of changes.
The SNP's former Westminster leader will contest the seat currently held by Ruth Davidson.