Press Gang - Season 5 Episode 3 A Quarter to Midnight

Having lied to Spike about her whereabouts, Lynda becomes accidently trapped in an airtight storage vault in the Slattenheim building where she was meeting John Crawford, her source on a story she was writing. Her mobile phone is damaged, and as a result, she can make calls but those who she calls cannot hear her. In her attempts to reach Spike so he can save her before she suffocates, she comes up with an ingenious Lynda-esque strategy for helping Spike and the Gazette team locate her. But will her plan work? Will they reach her in time?