Struggling comedian and barman Donny meets a lonely woman claiming to be a lawyer. He offers her a cup of tea on the house, and she's instantly obsessed.

On a date with Teri, Donny opens up about his stalker. Trying to be kind, he gives Martha false hope, which only encourages her further.

Donny takes some time off from the pub and tries to make amends with Teri. But no matter how much he avoids Martha, he can't escape her for long.

As Donny reports Martha to the police, it triggers the memory of a traumatic experience he had with a man he met at the Edinburgh Fringe years before.

Liz learns the truth about Martha and asks Donny to move out. It's a fresh start for him and Teri, but his memories stop them from getting truly close.

Martha finds new ways to get to Donny: by hurting the people he loves. With the police still failing to intervene, he takes matters into his own hands.

For the first time in his career, Donny feels like he's going somewhere. Until he makes one careless mistake that lets Martha explode back into his life.