Lin was a human archaeologist.

On 1 January 2019, Lin and her partner Mitch uncovered the body of the Third Custodian, unknowingly resurrecting a dormant Recon Dalek. Lin became possessed by the revived Dalek, forced to retrieve the Dalek's weapons and build it a new body. She later helped the Thirteenth Doctor and her friends defeat the Dalek. After Team TARDIS departed, she started a relationship with Mitch. (TV: Resolution)

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