Woody and Wallace attend a lecture on Rocksalt. MacAllister and Riordan are on the graveyard shift while Henderson finds out there's more than one Argos in the city.
Woody and Wallace are set to fail a mandatory drugs test until Wallace's granny provides the solution MacAllister, meanwhile, invents a bogus girlfriend to make Michelle jealous.
The Fairweather Players visit the Botanics with A Mid-Summer Night's Dream. Henderson and Toner are on the trail of a swan murderer and Riordan queues against his will for Robbie Williams tickets.
Michelle, Riordan and Gavin discover some air raid shelters in the park. Woody and Wallace work a night shift at the museum and Henderson is exposed as a closet jazz musician.