With Cresta Cabs in financial difficulty after Dexter’s thieving, Sam and Rajiv convince Tina to contribute some much-needed cash.
Sam finds he is unable to resist Tina's advances, while Phil makes a rather chaotic job of picking up a South African businessman.
Phil accepts an offer to be a personal driver for the businessman Mr Eugene. Meanwhile, Sam is in denial about his intimate relations with Tina.
Tina continues to surreptitiously ease herself into Sam's life. Rajiv is offered a partnership in the minicab firm.
Tina appears to have moved in to Sam's house - and she's going nowhere. She also keeps buying Sam presents - albeit with his money
Sam takes the day-shift crew to the pub to celebrate Cresta Cabs getting the Health Farm contract.
Sam is stressed, having given up smoking, and ends up accidently taking LSD. Meanwhile, Cambridge makes the classic mistake of confusing petrol with diesel.
The Cresta mini-cab company's fortunes have taken an upturn, but Sam's love life is still non-existent.
Sam, who is suffering from anxiety, insomnia and nightmares, gets a phone call from his lawyer while Rajiv has problems at home.